21888900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 216

約数和(自身を含む): 78501920

約数和(自身を除く): 56613020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 67, 75, 90, 99, 100, 108, 110, 121, 132, 134, 135, 150, 165, 180, 198, 201, 220, 225, 242, 268, 270, 275, 297, 300, 330, 335, 363, 396, 402, 450, 484, 495, 540, 550, 594, 603, 605, 660, 670, 675, 726, 737, 804, 825, 900, 990, 1005, 1089, 1100, 1188, 1206, 1210, 1340, 1350, 1452, 1474, 1485, 1650, 1675, 1809, 1815, 1980, 2010, 2178, 2211, 2412, 2420, 2475, 2700, 2948, 2970, 3015, 3025, 3267, 3300, 3350, 3618, 3630, 3685, 4020, 4356, 4422, 4950, 5025, 5445, 5940, 6030, 6050, 6534, 6633, 6700, 7236, 7260, 7370, 7425, 8107, 8844, 9045, 9075, 9900, 10050, 10890, 11055, 12060, 12100, 13068, 13266, 14740, 14850, 15075, 16214, 16335, 18090, 18150, 18425, 19899, 20100, 21780, 22110, 24321, 26532, 27225, 29700, 30150, 32428, 32670, 33165, 36180, 36300, 36850, 39798, 40535, 44220, 45225, 48642, 54450, 55275, 60300, 65340, 66330, 72963, 73700, 79596, 81070, 81675, 90450, 97284, 99495, 108900, 110550, 121605, 132660, 145926, 162140, 163350, 165825, 180900, 198990, 202675, 218889, 221100, 243210, 291852, 326700, 331650, 364815, 397980, 405350, 437778, 486420, 497475, 608025, 663300, 729630, 810700, 875556, 994950, 1094445, 1216050, 1459260, 1824075, 1989900, 2188890, 2432100, 3648150, 4377780, 5472225, 7296300, 10944450, 21888900]

約数ペア:

[(1, 21888900), (2, 10944450), (3, 7296300), (4, 5472225), (5, 4377780), (6, 3648150), (9, 2432100), (10, 2188890), (11, 1989900), (12, 1824075), (15, 1459260), (18, 1216050), (20, 1094445), (22, 994950), (25, 875556), (27, 810700), (30, 729630), (33, 663300), (36, 608025), (44, 497475), (45, 486420), (50, 437778), (54, 405350), (55, 397980), (60, 364815), (66, 331650), (67, 326700), (75, 291852), (90, 243210), (99, 221100), (100, 218889), (108, 202675), (110, 198990), (121, 180900), (132, 165825), (134, 163350), (135, 162140), (150, 145926), (165, 132660), (180, 121605), (198, 110550), (201, 108900), (220, 99495), (225, 97284), (242, 90450), (268, 81675), (270, 81070), (275, 79596), (297, 73700), (300, 72963), (330, 66330), (335, 65340), (363, 60300), (396, 55275), (402, 54450), (450, 48642), (484, 45225), (495, 44220), (540, 40535), (550, 39798), (594, 36850), (603, 36300), (605, 36180), (660, 33165), (670, 32670), (675, 32428), (726, 30150), (737, 29700), (804, 27225), (825, 26532), (900, 24321), (990, 22110), (1005, 21780), (1089, 20100), (1100, 19899), (1188, 18425), (1206, 18150), (1210, 18090), (1340, 16335), (1350, 16214), (1452, 15075), (1474, 14850), (1485, 14740), (1650, 13266), (1675, 13068), (1809, 12100), (1815, 12060), (1980, 11055), (2010, 10890), (2178, 10050), (2211, 9900), (2412, 9075), (2420, 9045), (2475, 8844), (2700, 8107), (2948, 7425), (2970, 7370), (3015, 7260), (3025, 7236), (3267, 6700), (3300, 6633), (3350, 6534), (3618, 6050), (3630, 6030), (3685, 5940), (4020, 5445), (4356, 5025), (4422, 4950)]