21738704004

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{38711}}^1$

素因数の和:39561

約数の個数: 72

約数和(自身を含む): 57914700480

約数和(自身を除く): 36175996476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 821, 1642, 2463, 3284, 4926, 7389, 9852, 14778, 15599, 29556, 31198, 38711, 46797, 62396, 77422, 93594, 116133, 140391, 154844, 187188, 232266, 280782, 348399, 464532, 561564, 696798, 735509, 1393596, 1471018, 2206527, 2942036, 4413054, 6619581, 8826108, 13239162, 26478324, 31781731, 63563462, 95345193, 127126924, 190690386, 286035579, 381380772, 572071158, 603852889, 1144142316, 1207705778, 1811558667, 2415411556, 3623117334, 5434676001, 7246234668, 10869352002, 21738704004]

約数ペア:

[(1, 21738704004), (2, 10869352002), (3, 7246234668), (4, 5434676001), (6, 3623117334), (9, 2415411556), (12, 1811558667), (18, 1207705778), (19, 1144142316), (36, 603852889), (38, 572071158), (57, 381380772), (76, 286035579), (114, 190690386), (171, 127126924), (228, 95345193), (342, 63563462), (684, 31781731), (821, 26478324), (1642, 13239162), (2463, 8826108), (3284, 6619581), (4926, 4413054), (7389, 2942036), (9852, 2206527), (14778, 1471018), (15599, 1393596), (29556, 735509), (31198, 696798), (38711, 561564), (46797, 464532), (62396, 348399), (77422, 280782), (93594, 232266), (116133, 187188), (140391, 154844)]