21055572

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 59494400

約数和(自身を除く): 38438828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 93, 108, 114, 124, 171, 186, 228, 279, 331, 342, 372, 513, 558, 589, 662, 684, 837, 993, 1026, 1116, 1178, 1324, 1674, 1767, 1986, 2052, 2356, 2979, 3348, 3534, 3972, 5301, 5958, 6289, 7068, 8937, 10261, 10602, 11916, 12578, 15903, 17874, 18867, 20522, 21204, 25156, 30783, 31806, 35748, 37734, 41044, 56601, 61566, 63612, 75468, 92349, 113202, 123132, 169803, 184698, 194959, 226404, 277047, 339606, 369396, 389918, 554094, 584877, 679212, 779836, 1108188, 1169754, 1754631, 2339508, 3509262, 5263893, 7018524, 10527786, 21055572]

約数ペア:

[(1, 21055572), (2, 10527786), (3, 7018524), (4, 5263893), (6, 3509262), (9, 2339508), (12, 1754631), (18, 1169754), (19, 1108188), (27, 779836), (31, 679212), (36, 584877), (38, 554094), (54, 389918), (57, 369396), (62, 339606), (76, 277047), (93, 226404), (108, 194959), (114, 184698), (124, 169803), (171, 123132), (186, 113202), (228, 92349), (279, 75468), (331, 63612), (342, 61566), (372, 56601), (513, 41044), (558, 37734), (589, 35748), (662, 31806), (684, 30783), (837, 25156), (993, 21204), (1026, 20522), (1116, 18867), (1178, 17874), (1324, 15903), (1674, 12578), (1767, 11916), (1986, 10602), (2052, 10261), (2356, 8937), (2979, 7068), (3348, 6289), (3534, 5958), (3972, 5301)]