21200760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 80870400

約数和(自身を除く): 59669640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 140, 141, 168, 179, 180, 188, 210, 235, 252, 280, 282, 315, 329, 358, 360, 376, 420, 423, 470, 504, 537, 564, 630, 658, 705, 716, 840, 846, 895, 940, 987, 1074, 1128, 1253, 1260, 1316, 1410, 1432, 1611, 1645, 1692, 1790, 1880, 1974, 2115, 2148, 2506, 2520, 2632, 2685, 2820, 2961, 3222, 3290, 3384, 3580, 3759, 3948, 4230, 4296, 4935, 5012, 5370, 5640, 5922, 6265, 6444, 6580, 7160, 7518, 7896, 8055, 8413, 8460, 9870, 10024, 10740, 11277, 11844, 12530, 12888, 13160, 14805, 15036, 16110, 16826, 16920, 18795, 19740, 21480, 22554, 23688, 25060, 25239, 29610, 30072, 32220, 33652, 37590, 39480, 42065, 45108, 50120, 50478, 56385, 58891, 59220, 64440, 67304, 75180, 75717, 84130, 90216, 100956, 112770, 117782, 118440, 126195, 150360, 151434, 168260, 176673, 201912, 225540, 235564, 252390, 294455, 302868, 336520, 353346, 378585, 451080, 471128, 504780, 530019, 588910, 605736, 706692, 757170, 883365, 1009560, 1060038, 1177820, 1413384, 1514340, 1766730, 2120076, 2355640, 2650095, 3028680, 3533460, 4240152, 5300190, 7066920, 10600380, 21200760]

約数ペア:

[(1, 21200760), (2, 10600380), (3, 7066920), (4, 5300190), (5, 4240152), (6, 3533460), (7, 3028680), (8, 2650095), (9, 2355640), (10, 2120076), (12, 1766730), (14, 1514340), (15, 1413384), (18, 1177820), (20, 1060038), (21, 1009560), (24, 883365), (28, 757170), (30, 706692), (35, 605736), (36, 588910), (40, 530019), (42, 504780), (45, 471128), (47, 451080), (56, 378585), (60, 353346), (63, 336520), (70, 302868), (72, 294455), (84, 252390), (90, 235564), (94, 225540), (105, 201912), (120, 176673), (126, 168260), (140, 151434), (141, 150360), (168, 126195), (179, 118440), (180, 117782), (188, 112770), (210, 100956), (235, 90216), (252, 84130), (280, 75717), (282, 75180), (315, 67304), (329, 64440), (358, 59220), (360, 58891), (376, 56385), (420, 50478), (423, 50120), (470, 45108), (504, 42065), (537, 39480), (564, 37590), (630, 33652), (658, 32220), (705, 30072), (716, 29610), (840, 25239), (846, 25060), (895, 23688), (940, 22554), (987, 21480), (1074, 19740), (1128, 18795), (1253, 16920), (1260, 16826), (1316, 16110), (1410, 15036), (1432, 14805), (1611, 13160), (1645, 12888), (1692, 12530), (1790, 11844), (1880, 11277), (1974, 10740), (2115, 10024), (2148, 9870), (2506, 8460), (2520, 8413), (2632, 8055), (2685, 7896), (2820, 7518), (2961, 7160), (3222, 6580), (3290, 6444), (3384, 6265), (3580, 5922), (3759, 5640), (3948, 5370), (4230, 5012), (4296, 4935)]