21079360

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3467}}^1$

素因数の和:3503

約数の個数: 56

約数和(自身を含む): 52852320

約数和(自身を除く): 31772960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3467, 6080, 6934, 13868, 17335, 27736, 34670, 55472, 65873, 69340, 110944, 131746, 138680, 221888, 263492, 277360, 329365, 526984, 554720, 658730, 1053968, 1109440, 1317460, 2107936, 2634920, 4215872, 5269840, 10539680, 21079360]

約数ペア:

[(1, 21079360), (2, 10539680), (4, 5269840), (5, 4215872), (8, 2634920), (10, 2107936), (16, 1317460), (19, 1109440), (20, 1053968), (32, 658730), (38, 554720), (40, 526984), (64, 329365), (76, 277360), (80, 263492), (95, 221888), (152, 138680), (160, 131746), (190, 110944), (304, 69340), (320, 65873), (380, 55472), (608, 34670), (760, 27736), (1216, 17335), (1520, 13868), (3040, 6934), (3467, 6080)]