21653268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 63221760

約数和(自身を除く): 41568492

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 79, 84, 91, 156, 158, 182, 237, 251, 273, 316, 364, 474, 502, 546, 553, 753, 948, 1004, 1027, 1092, 1106, 1506, 1659, 1757, 2054, 2212, 3012, 3081, 3263, 3318, 3514, 4108, 5271, 6162, 6526, 6636, 7028, 7189, 9789, 10542, 12324, 13052, 14378, 19578, 19829, 21084, 21567, 22841, 28756, 39156, 39658, 43134, 45682, 59487, 68523, 79316, 86268, 91364, 118974, 137046, 138803, 237948, 257777, 274092, 277606, 416409, 515554, 555212, 773331, 832818, 1031108, 1546662, 1665636, 1804439, 3093324, 3608878, 5413317, 7217756, 10826634, 21653268]

約数ペア:

[(1, 21653268), (2, 10826634), (3, 7217756), (4, 5413317), (6, 3608878), (7, 3093324), (12, 1804439), (13, 1665636), (14, 1546662), (21, 1031108), (26, 832818), (28, 773331), (39, 555212), (42, 515554), (52, 416409), (78, 277606), (79, 274092), (84, 257777), (91, 237948), (156, 138803), (158, 137046), (182, 118974), (237, 91364), (251, 86268), (273, 79316), (316, 68523), (364, 59487), (474, 45682), (502, 43134), (546, 39658), (553, 39156), (753, 28756), (948, 22841), (1004, 21567), (1027, 21084), (1092, 19829), (1106, 19578), (1506, 14378), (1659, 13052), (1757, 12324), (2054, 10542), (2212, 9789), (3012, 7189), (3081, 7028), (3263, 6636), (3318, 6526), (3514, 6162), (4108, 5271)]