21739572

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 59477600

約数和(自身を除く): 37738028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 859, 1332, 1406, 1718, 2109, 2577, 2812, 3436, 4218, 5154, 6327, 7731, 8436, 10308, 12654, 15462, 16321, 25308, 30924, 31783, 32642, 48963, 63566, 65284, 95349, 97926, 127132, 146889, 190698, 195852, 286047, 293778, 381396, 572094, 587556, 603877, 1144188, 1207754, 1811631, 2415508, 3623262, 5434893, 7246524, 10869786, 21739572]

約数ペア:

[(1, 21739572), (2, 10869786), (3, 7246524), (4, 5434893), (6, 3623262), (9, 2415508), (12, 1811631), (18, 1207754), (19, 1144188), (36, 603877), (37, 587556), (38, 572094), (57, 381396), (74, 293778), (76, 286047), (111, 195852), (114, 190698), (148, 146889), (171, 127132), (222, 97926), (228, 95349), (333, 65284), (342, 63566), (444, 48963), (666, 32642), (684, 31783), (703, 30924), (859, 25308), (1332, 16321), (1406, 15462), (1718, 12654), (2109, 10308), (2577, 8436), (2812, 7731), (3436, 6327), (4218, 5154)]