21960536

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 45896400

約数和(自身を除く): 23935864

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 439, 481, 676, 878, 962, 1352, 1756, 1924, 3512, 3848, 5707, 6253, 11414, 12506, 16243, 22828, 25012, 32486, 45656, 50024, 64972, 74191, 129944, 148382, 211159, 296764, 422318, 593528, 844636, 1689272, 2745067, 5490134, 10980268, 21960536]

約数ペア:

[(1, 21960536), (2, 10980268), (4, 5490134), (8, 2745067), (13, 1689272), (26, 844636), (37, 593528), (52, 422318), (74, 296764), (104, 211159), (148, 148382), (169, 129944), (296, 74191), (338, 64972), (439, 50024), (481, 45656), (676, 32486), (878, 25012), (962, 22828), (1352, 16243), (1756, 12506), (1924, 11414), (3512, 6253), (3848, 5707)]