21050952

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 57288000

約数和(自身を除く): 36237048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 619, 654, 872, 1238, 1308, 1417, 1857, 2476, 2616, 2834, 3714, 4251, 4952, 5668, 7428, 8047, 8502, 11336, 14856, 16094, 17004, 24141, 32188, 34008, 48282, 64376, 67471, 96564, 134942, 193128, 202413, 269884, 404826, 539768, 809652, 877123, 1619304, 1754246, 2631369, 3508492, 5262738, 7016984, 10525476, 21050952]

約数ペア:

[(1, 21050952), (2, 10525476), (3, 7016984), (4, 5262738), (6, 3508492), (8, 2631369), (12, 1754246), (13, 1619304), (24, 877123), (26, 809652), (39, 539768), (52, 404826), (78, 269884), (104, 202413), (109, 193128), (156, 134942), (218, 96564), (312, 67471), (327, 64376), (436, 48282), (619, 34008), (654, 32188), (872, 24141), (1238, 17004), (1308, 16094), (1417, 14856), (1857, 11336), (2476, 8502), (2616, 8047), (2834, 7428), (3714, 5668), (4251, 4952)]