21677292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{509}}^1$

素因数の和:552

約数の個数: 108

約数和(自身を含む): 67944240

約数和(自身を除く): 46266948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 169, 182, 234, 252, 273, 338, 364, 468, 507, 509, 546, 676, 819, 1014, 1018, 1092, 1183, 1521, 1527, 1638, 2028, 2036, 2366, 3042, 3054, 3276, 3549, 3563, 4581, 4732, 6084, 6108, 6617, 7098, 7126, 9162, 10647, 10689, 13234, 14196, 14252, 18324, 19851, 21294, 21378, 26468, 32067, 39702, 42588, 42756, 46319, 59553, 64134, 79404, 86021, 92638, 119106, 128268, 138957, 172042, 185276, 238212, 258063, 277914, 344084, 416871, 516126, 555828, 602147, 774189, 833742, 1032252, 1204294, 1548378, 1667484, 1806441, 2408588, 3096756, 3612882, 5419323, 7225764, 10838646, 21677292]

約数ペア:

[(1, 21677292), (2, 10838646), (3, 7225764), (4, 5419323), (6, 3612882), (7, 3096756), (9, 2408588), (12, 1806441), (13, 1667484), (14, 1548378), (18, 1204294), (21, 1032252), (26, 833742), (28, 774189), (36, 602147), (39, 555828), (42, 516126), (52, 416871), (63, 344084), (78, 277914), (84, 258063), (91, 238212), (117, 185276), (126, 172042), (156, 138957), (169, 128268), (182, 119106), (234, 92638), (252, 86021), (273, 79404), (338, 64134), (364, 59553), (468, 46319), (507, 42756), (509, 42588), (546, 39702), (676, 32067), (819, 26468), (1014, 21378), (1018, 21294), (1092, 19851), (1183, 18324), (1521, 14252), (1527, 14196), (1638, 13234), (2028, 10689), (2036, 10647), (2366, 9162), (3042, 7126), (3054, 7098), (3276, 6617), (3549, 6108), (3563, 6084), (4581, 4732)]