21455532

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12163}}^1$

素因数の和:12187

約数の個数: 54

約数和(自身を含む): 63094668

約数和(自身を除く): 41639136

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12163, 24326, 36489, 48652, 72978, 85141, 109467, 145956, 170282, 218934, 255423, 340564, 437868, 510846, 595987, 766269, 1021692, 1191974, 1532538, 1787961, 2383948, 3065076, 3575922, 5363883, 7151844, 10727766, 21455532]

約数ペア:

[(1, 21455532), (2, 10727766), (3, 7151844), (4, 5363883), (6, 3575922), (7, 3065076), (9, 2383948), (12, 1787961), (14, 1532538), (18, 1191974), (21, 1021692), (28, 766269), (36, 595987), (42, 510846), (49, 437868), (63, 340564), (84, 255423), (98, 218934), (126, 170282), (147, 145956), (196, 109467), (252, 85141), (294, 72978), (441, 48652), (588, 36489), (882, 24326), (1764, 12163)]