21242400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 70870464

約数和(自身を除く): 49628064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 53, 60, 75, 80, 96, 100, 106, 120, 150, 159, 160, 167, 200, 212, 240, 265, 300, 318, 334, 400, 424, 480, 501, 530, 600, 636, 668, 795, 800, 835, 848, 1002, 1060, 1200, 1272, 1325, 1336, 1590, 1670, 1696, 2004, 2120, 2400, 2505, 2544, 2650, 2672, 3180, 3340, 3975, 4008, 4175, 4240, 5010, 5088, 5300, 5344, 6360, 6680, 7950, 8016, 8350, 8480, 8851, 10020, 10600, 12525, 12720, 13360, 15900, 16032, 16700, 17702, 20040, 21200, 25050, 25440, 26553, 26720, 31800, 33400, 35404, 40080, 42400, 44255, 50100, 53106, 63600, 66800, 70808, 80160, 88510, 100200, 106212, 127200, 132765, 133600, 141616, 177020, 200400, 212424, 221275, 265530, 283232, 354040, 400800, 424848, 442550, 531060, 663825, 708080, 849696, 885100, 1062120, 1327650, 1416160, 1770200, 2124240, 2655300, 3540400, 4248480, 5310600, 7080800, 10621200, 21242400]

約数ペア:

[(1, 21242400), (2, 10621200), (3, 7080800), (4, 5310600), (5, 4248480), (6, 3540400), (8, 2655300), (10, 2124240), (12, 1770200), (15, 1416160), (16, 1327650), (20, 1062120), (24, 885100), (25, 849696), (30, 708080), (32, 663825), (40, 531060), (48, 442550), (50, 424848), (53, 400800), (60, 354040), (75, 283232), (80, 265530), (96, 221275), (100, 212424), (106, 200400), (120, 177020), (150, 141616), (159, 133600), (160, 132765), (167, 127200), (200, 106212), (212, 100200), (240, 88510), (265, 80160), (300, 70808), (318, 66800), (334, 63600), (400, 53106), (424, 50100), (480, 44255), (501, 42400), (530, 40080), (600, 35404), (636, 33400), (668, 31800), (795, 26720), (800, 26553), (835, 25440), (848, 25050), (1002, 21200), (1060, 20040), (1200, 17702), (1272, 16700), (1325, 16032), (1336, 15900), (1590, 13360), (1670, 12720), (1696, 12525), (2004, 10600), (2120, 10020), (2400, 8851), (2505, 8480), (2544, 8350), (2650, 8016), (2672, 7950), (3180, 6680), (3340, 6360), (3975, 5344), (4008, 5300), (4175, 5088), (4240, 5010)]