21361656

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 57970080

約数和(自身を除く): 36608424

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 68, 82, 102, 123, 136, 164, 204, 246, 328, 408, 492, 697, 984, 1277, 1394, 2091, 2554, 2788, 3831, 4182, 5108, 5576, 7662, 8364, 10216, 15324, 16728, 21709, 30648, 43418, 52357, 65127, 86836, 104714, 130254, 157071, 173672, 209428, 260508, 314142, 418856, 521016, 628284, 890069, 1256568, 1780138, 2670207, 3560276, 5340414, 7120552, 10680828, 21361656]

約数ペア:

[(1, 21361656), (2, 10680828), (3, 7120552), (4, 5340414), (6, 3560276), (8, 2670207), (12, 1780138), (17, 1256568), (24, 890069), (34, 628284), (41, 521016), (51, 418856), (68, 314142), (82, 260508), (102, 209428), (123, 173672), (136, 157071), (164, 130254), (204, 104714), (246, 86836), (328, 65127), (408, 52357), (492, 43418), (697, 30648), (984, 21709), (1277, 16728), (1394, 15324), (2091, 10216), (2554, 8364), (2788, 7662), (3831, 5576), (4182, 5108)]