21840910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24001}}^1$

素因数の和:24028

約数の個数: 32

約数和(自身を含む): 48388032

約数和(自身を除く): 26547122

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 24001, 48002, 120005, 168007, 240010, 312013, 336014, 624026, 840035, 1560065, 1680070, 2184091, 3120130, 4368182, 10920455, 21840910]

約数ペア:

[(1, 21840910), (2, 10920455), (5, 4368182), (7, 3120130), (10, 2184091), (13, 1680070), (14, 1560065), (26, 840035), (35, 624026), (65, 336014), (70, 312013), (91, 240010), (130, 168007), (182, 120005), (455, 48002), (910, 24001)]