21034312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4933}}^1$

素因数の和:4993

約数の個数: 32

約数和(自身を含む): 43517880

約数和(自身を除く): 22483568

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4933, 9866, 19732, 39464, 64129, 128258, 202253, 256516, 404506, 513032, 809012, 1618024, 2629289, 5258578, 10517156, 21034312]

約数ペア:

[(1, 21034312), (2, 10517156), (4, 5258578), (8, 2629289), (13, 1618024), (26, 809012), (41, 513032), (52, 404506), (82, 256516), (104, 202253), (164, 128258), (328, 64129), (533, 39464), (1066, 19732), (2132, 9866), (4264, 4933)]