21400800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 71839152

約数和(自身を除く): 50438352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 37, 40, 48, 50, 60, 74, 75, 80, 96, 100, 111, 120, 148, 150, 160, 185, 200, 222, 240, 241, 296, 300, 370, 400, 444, 480, 482, 555, 592, 600, 723, 740, 800, 888, 925, 964, 1110, 1184, 1200, 1205, 1446, 1480, 1776, 1850, 1928, 2220, 2400, 2410, 2775, 2892, 2960, 3552, 3615, 3700, 3856, 4440, 4820, 5550, 5784, 5920, 6025, 7230, 7400, 7712, 8880, 8917, 9640, 11100, 11568, 12050, 14460, 14800, 17760, 17834, 18075, 19280, 22200, 23136, 24100, 26751, 28920, 29600, 35668, 36150, 38560, 44400, 44585, 48200, 53502, 57840, 71336, 72300, 88800, 89170, 96400, 107004, 115680, 133755, 142672, 144600, 178340, 192800, 214008, 222925, 267510, 285344, 289200, 356680, 428016, 445850, 535020, 578400, 668775, 713360, 856032, 891700, 1070040, 1337550, 1426720, 1783400, 2140080, 2675100, 3566800, 4280160, 5350200, 7133600, 10700400, 21400800]

約数ペア:

[(1, 21400800), (2, 10700400), (3, 7133600), (4, 5350200), (5, 4280160), (6, 3566800), (8, 2675100), (10, 2140080), (12, 1783400), (15, 1426720), (16, 1337550), (20, 1070040), (24, 891700), (25, 856032), (30, 713360), (32, 668775), (37, 578400), (40, 535020), (48, 445850), (50, 428016), (60, 356680), (74, 289200), (75, 285344), (80, 267510), (96, 222925), (100, 214008), (111, 192800), (120, 178340), (148, 144600), (150, 142672), (160, 133755), (185, 115680), (200, 107004), (222, 96400), (240, 89170), (241, 88800), (296, 72300), (300, 71336), (370, 57840), (400, 53502), (444, 48200), (480, 44585), (482, 44400), (555, 38560), (592, 36150), (600, 35668), (723, 29600), (740, 28920), (800, 26751), (888, 24100), (925, 23136), (964, 22200), (1110, 19280), (1184, 18075), (1200, 17834), (1205, 17760), (1446, 14800), (1480, 14460), (1776, 12050), (1850, 11568), (1928, 11100), (2220, 9640), (2400, 8917), (2410, 8880), (2775, 7712), (2892, 7400), (2960, 7230), (3552, 6025), (3615, 5920), (3700, 5784), (3856, 5550), (4440, 4820)]