21001928880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3547}}^1\times {\mathrm{24671}}^1$

素因数の和:28234

約数の個数: 80

約数和(自身を含む): 65126974464

約数和(自身を除く): 44125045584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3547, 7094, 10641, 14188, 17735, 21282, 24671, 28376, 35470, 42564, 49342, 53205, 56752, 70940, 74013, 85128, 98684, 106410, 123355, 141880, 148026, 170256, 197368, 212820, 246710, 283760, 296052, 370065, 394736, 425640, 493420, 592104, 740130, 851280, 986840, 1184208, 1480260, 1973680, 2960520, 5921040, 87508037, 175016074, 262524111, 350032148, 437540185, 525048222, 700064296, 875080370, 1050096444, 1312620555, 1400128592, 1750160740, 2100192888, 2625241110, 3500321480, 4200385776, 5250482220, 7000642960, 10500964440, 21001928880]

約数ペア:

[(1, 21001928880), (2, 10500964440), (3, 7000642960), (4, 5250482220), (5, 4200385776), (6, 3500321480), (8, 2625241110), (10, 2100192888), (12, 1750160740), (15, 1400128592), (16, 1312620555), (20, 1050096444), (24, 875080370), (30, 700064296), (40, 525048222), (48, 437540185), (60, 350032148), (80, 262524111), (120, 175016074), (240, 87508037), (3547, 5921040), (7094, 2960520), (10641, 1973680), (14188, 1480260), (17735, 1184208), (21282, 986840), (24671, 851280), (28376, 740130), (35470, 592104), (42564, 493420), (49342, 425640), (53205, 394736), (56752, 370065), (70940, 296052), (74013, 283760), (85128, 246710), (98684, 212820), (106410, 197368), (123355, 170256), (141880, 148026)]