21463036

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 45015040

約数和(自身を除く): 23552004

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 313, 316, 434, 553, 626, 868, 1106, 1252, 2191, 2212, 2449, 4382, 4898, 8764, 9703, 9796, 17143, 19406, 24727, 34286, 38812, 49454, 67921, 68572, 98908, 135842, 173089, 271684, 346178, 692356, 766537, 1533074, 3066148, 5365759, 10731518, 21463036]

約数ペア:

[(1, 21463036), (2, 10731518), (4, 5365759), (7, 3066148), (14, 1533074), (28, 766537), (31, 692356), (62, 346178), (79, 271684), (124, 173089), (158, 135842), (217, 98908), (313, 68572), (316, 67921), (434, 49454), (553, 38812), (626, 34286), (868, 24727), (1106, 19406), (1252, 17143), (2191, 9796), (2212, 9703), (2449, 8764), (4382, 4898)]