21551940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 67858560

約数和(自身を除く): 46306620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 107, 108, 135, 180, 214, 270, 321, 373, 428, 535, 540, 642, 746, 963, 1070, 1119, 1284, 1492, 1605, 1865, 1926, 2140, 2238, 2889, 3210, 3357, 3730, 3852, 4476, 4815, 5595, 5778, 6420, 6714, 7460, 9630, 10071, 11190, 11556, 13428, 14445, 16785, 19260, 20142, 22380, 28890, 33570, 39911, 40284, 50355, 57780, 67140, 79822, 100710, 119733, 159644, 199555, 201420, 239466, 359199, 399110, 478932, 598665, 718398, 798220, 1077597, 1197330, 1436796, 1795995, 2155194, 2394660, 3591990, 4310388, 5387985, 7183980, 10775970, 21551940]

約数ペア:

[(1, 21551940), (2, 10775970), (3, 7183980), (4, 5387985), (5, 4310388), (6, 3591990), (9, 2394660), (10, 2155194), (12, 1795995), (15, 1436796), (18, 1197330), (20, 1077597), (27, 798220), (30, 718398), (36, 598665), (45, 478932), (54, 399110), (60, 359199), (90, 239466), (107, 201420), (108, 199555), (135, 159644), (180, 119733), (214, 100710), (270, 79822), (321, 67140), (373, 57780), (428, 50355), (535, 40284), (540, 39911), (642, 33570), (746, 28890), (963, 22380), (1070, 20142), (1119, 19260), (1284, 16785), (1492, 14445), (1605, 13428), (1865, 11556), (1926, 11190), (2140, 10071), (2238, 9630), (2889, 7460), (3210, 6714), (3357, 6420), (3730, 5778), (3852, 5595), (4476, 4815)]