21315126840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{4451}}^1\times {\mathrm{5701}}^1$

素因数の和:10173

約数の個数: 128

約数和(自身を含む): 73109675520

約数和(自身を除く): 51794548680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 4451, 5701, 8902, 11402, 13353, 17103, 17804, 22255, 22804, 26706, 28505, 31157, 34206, 35608, 39907, 44510, 45608, 53412, 57010, 62314, 66765, 68412, 79814, 85515, 89020, 93471, 106824, 114020, 119721, 124628, 133530, 136824, 155785, 159628, 171030, 178040, 186942, 199535, 228040, 239442, 249256, 267060, 311570, 319256, 342060, 373884, 399070, 467355, 478884, 534120, 598605, 623140, 684120, 747768, 798140, 934710, 957768, 1197210, 1246280, 1596280, 1869420, 2394420, 3738840, 4788840, 25375151, 50750302, 76125453, 101500604, 126875755, 152250906, 177626057, 203001208, 253751510, 304501812, 355252114, 380627265, 507503020, 532878171, 609003624, 710504228, 761254530, 888130285, 1015006040, 1065756342, 1421008456, 1522509060, 1776260570, 2131512684, 2664390855, 3045018120, 3552521140, 4263025368, 5328781710, 7105042280, 10657563420, 21315126840]

約数ペア:

[(1, 21315126840), (2, 10657563420), (3, 7105042280), (4, 5328781710), (5, 4263025368), (6, 3552521140), (7, 3045018120), (8, 2664390855), (10, 2131512684), (12, 1776260570), (14, 1522509060), (15, 1421008456), (20, 1065756342), (21, 1015006040), (24, 888130285), (28, 761254530), (30, 710504228), (35, 609003624), (40, 532878171), (42, 507503020), (56, 380627265), (60, 355252114), (70, 304501812), (84, 253751510), (105, 203001208), (120, 177626057), (140, 152250906), (168, 126875755), (210, 101500604), (280, 76125453), (420, 50750302), (840, 25375151), (4451, 4788840), (5701, 3738840), (8902, 2394420), (11402, 1869420), (13353, 1596280), (17103, 1246280), (17804, 1197210), (22255, 957768), (22804, 934710), (26706, 798140), (28505, 747768), (31157, 684120), (34206, 623140), (35608, 598605), (39907, 534120), (44510, 478884), (45608, 467355), (53412, 399070), (57010, 373884), (62314, 342060), (66765, 319256), (68412, 311570), (79814, 267060), (85515, 249256), (89020, 239442), (93471, 228040), (106824, 199535), (114020, 186942), (119721, 178040), (124628, 171030), (133530, 159628), (136824, 155785)]