21210592

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 45701712

約数和(自身を除く): 24491120

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 761, 871, 1072, 1522, 1742, 2144, 3044, 3484, 6088, 6968, 9893, 12176, 13936, 19786, 24352, 27872, 39572, 50987, 79144, 101974, 158288, 203948, 316576, 407896, 662831, 815792, 1325662, 1631584, 2651324, 5302648, 10605296, 21210592]

約数ペア:

[(1, 21210592), (2, 10605296), (4, 5302648), (8, 2651324), (13, 1631584), (16, 1325662), (26, 815792), (32, 662831), (52, 407896), (67, 316576), (104, 203948), (134, 158288), (208, 101974), (268, 79144), (416, 50987), (536, 39572), (761, 27872), (871, 24352), (1072, 19786), (1522, 13936), (1742, 12176), (2144, 9893), (3044, 6968), (3484, 6088)]