21016710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 46914426

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 23, 26, 30, 33, 39, 45, 46, 55, 65, 66, 69, 71, 78, 90, 99, 110, 115, 117, 130, 138, 142, 143, 165, 195, 198, 207, 213, 230, 234, 253, 286, 299, 330, 345, 355, 390, 414, 426, 429, 495, 506, 585, 598, 639, 690, 710, 715, 759, 781, 858, 897, 923, 990, 1035, 1065, 1170, 1265, 1278, 1287, 1430, 1495, 1518, 1562, 1633, 1794, 1846, 2070, 2130, 2145, 2277, 2343, 2530, 2574, 2691, 2769, 2990, 3195, 3266, 3289, 3795, 3905, 4290, 4485, 4554, 4615, 4686, 4899, 5382, 5538, 6390, 6435, 6578, 7029, 7590, 7810, 8165, 8307, 8970, 9230, 9798, 9867, 10153, 11385, 11715, 12870, 13455, 13845, 14058, 14697, 16330, 16445, 16614, 17963, 19734, 20306, 21229, 22770, 23430, 24495, 26910, 27690, 29394, 29601, 30459, 32890, 35145, 35926, 41535, 42458, 48990, 49335, 50765, 53889, 59202, 60918, 63687, 70290, 73485, 83070, 89815, 91377, 98670, 101530, 106145, 107778, 127374, 146970, 148005, 152295, 161667, 179630, 182754, 191061, 212290, 233519, 269445, 296010, 304590, 318435, 323334, 382122, 456885, 467038, 538890, 636870, 700557, 808335, 913770, 955305, 1167595, 1401114, 1616670, 1910610, 2101671, 2335190, 3502785, 4203342, 7005570, 10508355, 21016710]

約数ペア:

[(1, 21016710), (2, 10508355), (3, 7005570), (5, 4203342), (6, 3502785), (9, 2335190), (10, 2101671), (11, 1910610), (13, 1616670), (15, 1401114), (18, 1167595), (22, 955305), (23, 913770), (26, 808335), (30, 700557), (33, 636870), (39, 538890), (45, 467038), (46, 456885), (55, 382122), (65, 323334), (66, 318435), (69, 304590), (71, 296010), (78, 269445), (90, 233519), (99, 212290), (110, 191061), (115, 182754), (117, 179630), (130, 161667), (138, 152295), (142, 148005), (143, 146970), (165, 127374), (195, 107778), (198, 106145), (207, 101530), (213, 98670), (230, 91377), (234, 89815), (253, 83070), (286, 73485), (299, 70290), (330, 63687), (345, 60918), (355, 59202), (390, 53889), (414, 50765), (426, 49335), (429, 48990), (495, 42458), (506, 41535), (585, 35926), (598, 35145), (639, 32890), (690, 30459), (710, 29601), (715, 29394), (759, 27690), (781, 26910), (858, 24495), (897, 23430), (923, 22770), (990, 21229), (1035, 20306), (1065, 19734), (1170, 17963), (1265, 16614), (1278, 16445), (1287, 16330), (1430, 14697), (1495, 14058), (1518, 13845), (1562, 13455), (1633, 12870), (1794, 11715), (1846, 11385), (2070, 10153), (2130, 9867), (2145, 9798), (2277, 9230), (2343, 8970), (2530, 8307), (2574, 8165), (2691, 7810), (2769, 7590), (2990, 7029), (3195, 6578), (3266, 6435), (3289, 6390), (3795, 5538), (3905, 5382), (4290, 4899), (4485, 4686), (4554, 4615)]