21731004

素因数分解:

$2^2\times 3^5\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 57890560

約数和(自身を除く): 36159556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 283, 316, 324, 474, 486, 566, 711, 849, 948, 972, 1132, 1422, 1698, 2133, 2547, 2844, 3396, 4266, 5094, 6399, 7641, 8532, 10188, 12798, 15282, 19197, 22357, 22923, 25596, 30564, 38394, 44714, 45846, 67071, 68769, 76788, 89428, 91692, 134142, 137538, 201213, 268284, 275076, 402426, 603639, 804852, 1207278, 1810917, 2414556, 3621834, 5432751, 7243668, 10865502, 21731004]

約数ペア:

[(1, 21731004), (2, 10865502), (3, 7243668), (4, 5432751), (6, 3621834), (9, 2414556), (12, 1810917), (18, 1207278), (27, 804852), (36, 603639), (54, 402426), (79, 275076), (81, 268284), (108, 201213), (158, 137538), (162, 134142), (237, 91692), (243, 89428), (283, 76788), (316, 68769), (324, 67071), (474, 45846), (486, 44714), (566, 38394), (711, 30564), (849, 25596), (948, 22923), (972, 22357), (1132, 19197), (1422, 15282), (1698, 12798), (2133, 10188), (2547, 8532), (2844, 7641), (3396, 6399), (4266, 5094)]