21806616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1948

約数の個数: 64

約数和(自身を含む): 60328800

約数和(自身を除く): 38522184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1889, 1924, 2886, 3778, 3848, 5667, 5772, 7556, 11334, 11544, 15112, 22668, 24557, 45336, 49114, 69893, 73671, 98228, 139786, 147342, 196456, 209679, 279572, 294684, 419358, 559144, 589368, 838716, 908609, 1677432, 1817218, 2725827, 3634436, 5451654, 7268872, 10903308, 21806616]

約数ペア:

[(1, 21806616), (2, 10903308), (3, 7268872), (4, 5451654), (6, 3634436), (8, 2725827), (12, 1817218), (13, 1677432), (24, 908609), (26, 838716), (37, 589368), (39, 559144), (52, 419358), (74, 294684), (78, 279572), (104, 209679), (111, 196456), (148, 147342), (156, 139786), (222, 98228), (296, 73671), (312, 69893), (444, 49114), (481, 45336), (888, 24557), (962, 22668), (1443, 15112), (1889, 11544), (1924, 11334), (2886, 7556), (3778, 5772), (3848, 5667)]