21761640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60449}}^1$

素因数の和:60466

約数の個数: 48

約数和(自身を含む): 70726500

約数和(自身を除く): 48964860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60449, 120898, 181347, 241796, 302245, 362694, 483592, 544041, 604490, 725388, 906735, 1088082, 1208980, 1450776, 1813470, 2176164, 2417960, 2720205, 3626940, 4352328, 5440410, 7253880, 10880820, 21761640]

約数ペア:

[(1, 21761640), (2, 10880820), (3, 7253880), (4, 5440410), (5, 4352328), (6, 3626940), (8, 2720205), (9, 2417960), (10, 2176164), (12, 1813470), (15, 1450776), (18, 1208980), (20, 1088082), (24, 906735), (30, 725388), (36, 604490), (40, 544041), (45, 483592), (60, 362694), (72, 302245), (90, 241796), (120, 181347), (180, 120898), (360, 60449)]