21158004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35983}}^1$

素因数の和:36004

約数の個数: 36

約数和(自身を含む): 57430464

約数和(自身を除く): 36272460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35983, 71966, 107949, 143932, 215898, 251881, 431796, 503762, 755643, 1007524, 1511286, 1763167, 3022572, 3526334, 5289501, 7052668, 10579002, 21158004]

約数ペア:

[(1, 21158004), (2, 10579002), (3, 7052668), (4, 5289501), (6, 3526334), (7, 3022572), (12, 1763167), (14, 1511286), (21, 1007524), (28, 755643), (42, 503762), (49, 431796), (84, 251881), (98, 215898), (147, 143932), (196, 107949), (294, 71966), (588, 35983)]