21195384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1597}}^1$

素因数の和:1692

約数の個数: 64

約数和(自身を含む): 61363200

約数和(自身を除く): 40167816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1597, 1659, 1896, 2212, 3194, 3318, 4424, 4791, 6388, 6636, 9582, 11179, 12776, 13272, 19164, 22358, 33537, 38328, 44716, 67074, 89432, 126163, 134148, 252326, 268296, 378489, 504652, 756978, 883141, 1009304, 1513956, 1766282, 2649423, 3027912, 3532564, 5298846, 7065128, 10597692, 21195384]

約数ペア:

[(1, 21195384), (2, 10597692), (3, 7065128), (4, 5298846), (6, 3532564), (7, 3027912), (8, 2649423), (12, 1766282), (14, 1513956), (21, 1009304), (24, 883141), (28, 756978), (42, 504652), (56, 378489), (79, 268296), (84, 252326), (158, 134148), (168, 126163), (237, 89432), (316, 67074), (474, 44716), (553, 38328), (632, 33537), (948, 22358), (1106, 19164), (1597, 13272), (1659, 12776), (1896, 11179), (2212, 9582), (3194, 6636), (3318, 6388), (4424, 4791)]