21898044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 63903840

約数和(自身を除く): 42005796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 769, 791, 1017, 1356, 1538, 1582, 2034, 2307, 2373, 3076, 3164, 4068, 4614, 4746, 5383, 6921, 7119, 9228, 9492, 10766, 13842, 14238, 16149, 21532, 27684, 28476, 32298, 48447, 64596, 86897, 96894, 173794, 193788, 260691, 347588, 521382, 608279, 782073, 1042764, 1216558, 1564146, 1824837, 2433116, 3128292, 3649674, 5474511, 7299348, 10949022, 21898044]

約数ペア:

[(1, 21898044), (2, 10949022), (3, 7299348), (4, 5474511), (6, 3649674), (7, 3128292), (9, 2433116), (12, 1824837), (14, 1564146), (18, 1216558), (21, 1042764), (28, 782073), (36, 608279), (42, 521382), (63, 347588), (84, 260691), (113, 193788), (126, 173794), (226, 96894), (252, 86897), (339, 64596), (452, 48447), (678, 32298), (769, 28476), (791, 27684), (1017, 21532), (1356, 16149), (1538, 14238), (1582, 13842), (2034, 10766), (2307, 9492), (2373, 9228), (3076, 7119), (3164, 6921), (4068, 5383), (4614, 4746)]