21017700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 162

約数和(自身を含む): 72787442

約数和(自身を除く): 51769742

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 121, 132, 150, 165, 180, 193, 198, 220, 225, 242, 275, 300, 330, 363, 386, 396, 450, 484, 495, 550, 579, 605, 660, 726, 772, 825, 900, 965, 990, 1089, 1100, 1158, 1210, 1452, 1650, 1737, 1815, 1930, 1980, 2123, 2178, 2316, 2420, 2475, 2895, 3025, 3300, 3474, 3630, 3860, 4246, 4356, 4825, 4950, 5445, 5790, 6050, 6369, 6948, 7260, 8492, 8685, 9075, 9650, 9900, 10615, 10890, 11580, 12100, 12738, 14475, 17370, 18150, 19107, 19300, 21230, 21780, 23353, 25476, 27225, 28950, 31845, 34740, 36300, 38214, 42460, 43425, 46706, 53075, 54450, 57900, 63690, 70059, 76428, 86850, 93412, 95535, 106150, 108900, 116765, 127380, 140118, 159225, 173700, 191070, 210177, 212300, 233530, 280236, 318450, 350295, 382140, 420354, 467060, 477675, 583825, 636900, 700590, 840708, 955350, 1050885, 1167650, 1401180, 1751475, 1910700, 2101770, 2335300, 3502950, 4203540, 5254425, 7005900, 10508850, 21017700]

約数ペア:

[(1, 21017700), (2, 10508850), (3, 7005900), (4, 5254425), (5, 4203540), (6, 3502950), (9, 2335300), (10, 2101770), (11, 1910700), (12, 1751475), (15, 1401180), (18, 1167650), (20, 1050885), (22, 955350), (25, 840708), (30, 700590), (33, 636900), (36, 583825), (44, 477675), (45, 467060), (50, 420354), (55, 382140), (60, 350295), (66, 318450), (75, 280236), (90, 233530), (99, 212300), (100, 210177), (110, 191070), (121, 173700), (132, 159225), (150, 140118), (165, 127380), (180, 116765), (193, 108900), (198, 106150), (220, 95535), (225, 93412), (242, 86850), (275, 76428), (300, 70059), (330, 63690), (363, 57900), (386, 54450), (396, 53075), (450, 46706), (484, 43425), (495, 42460), (550, 38214), (579, 36300), (605, 34740), (660, 31845), (726, 28950), (772, 27225), (825, 25476), (900, 23353), (965, 21780), (990, 21230), (1089, 19300), (1100, 19107), (1158, 18150), (1210, 17370), (1452, 14475), (1650, 12738), (1737, 12100), (1815, 11580), (1930, 10890), (1980, 10615), (2123, 9900), (2178, 9650), (2316, 9075), (2420, 8685), (2475, 8492), (2895, 7260), (3025, 6948), (3300, 6369), (3474, 6050), (3630, 5790), (3860, 5445), (4246, 4950), (4356, 4825)]