21943636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{227}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 23638124

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 227, 286, 338, 454, 572, 676, 908, 1859, 2197, 2497, 2951, 3718, 4394, 4994, 5902, 7436, 8788, 9988, 11804, 24167, 32461, 38363, 48334, 64922, 76726, 96668, 129844, 153452, 421993, 498719, 843986, 997438, 1687972, 1994876, 5485909, 10971818, 21943636]

約数ペア:

[(1, 21943636), (2, 10971818), (4, 5485909), (11, 1994876), (13, 1687972), (22, 997438), (26, 843986), (44, 498719), (52, 421993), (143, 153452), (169, 129844), (227, 96668), (286, 76726), (338, 64922), (454, 48334), (572, 38363), (676, 32461), (908, 24167), (1859, 11804), (2197, 9988), (2497, 8788), (2951, 7436), (3718, 5902), (4394, 4994)]