21902040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{733}}^1$

素因数の和:833

約数の個数: 96

約数和(自身を含む): 72137520

約数和(自身を除く): 50235480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 733, 747, 830, 996, 1245, 1466, 1494, 1660, 1992, 2199, 2490, 2932, 2988, 3320, 3665, 3735, 4398, 4980, 5864, 5976, 6597, 7330, 7470, 8796, 9960, 10995, 13194, 14660, 14940, 17592, 21990, 26388, 29320, 29880, 32985, 43980, 52776, 60839, 65970, 87960, 121678, 131940, 182517, 243356, 263880, 304195, 365034, 486712, 547551, 608390, 730068, 912585, 1095102, 1216780, 1460136, 1825170, 2190204, 2433560, 2737755, 3650340, 4380408, 5475510, 7300680, 10951020, 21902040]

約数ペア:

[(1, 21902040), (2, 10951020), (3, 7300680), (4, 5475510), (5, 4380408), (6, 3650340), (8, 2737755), (9, 2433560), (10, 2190204), (12, 1825170), (15, 1460136), (18, 1216780), (20, 1095102), (24, 912585), (30, 730068), (36, 608390), (40, 547551), (45, 486712), (60, 365034), (72, 304195), (83, 263880), (90, 243356), (120, 182517), (166, 131940), (180, 121678), (249, 87960), (332, 65970), (360, 60839), (415, 52776), (498, 43980), (664, 32985), (733, 29880), (747, 29320), (830, 26388), (996, 21990), (1245, 17592), (1466, 14940), (1494, 14660), (1660, 13194), (1992, 10995), (2199, 9960), (2490, 8796), (2932, 7470), (2988, 7330), (3320, 6597), (3665, 5976), (3735, 5864), (4398, 4980)]