21096858360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2225407}}^1$

素因数の和:2225500

約数の個数: 64

約数和(自身を含む): 64091750400

約数和(自身を除く): 42994892040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 2225407, 4450814, 6676221, 8901628, 11127035, 13352442, 17803256, 22254070, 26704884, 33381105, 44508140, 53409768, 66762210, 89016280, 133524420, 175807153, 267048840, 351614306, 527421459, 703228612, 879035765, 1054842918, 1406457224, 1758071530, 2109685836, 2637107295, 3516143060, 4219371672, 5274214590, 7032286120, 10548429180, 21096858360]

約数ペア:

[(1, 21096858360), (2, 10548429180), (3, 7032286120), (4, 5274214590), (5, 4219371672), (6, 3516143060), (8, 2637107295), (10, 2109685836), (12, 1758071530), (15, 1406457224), (20, 1054842918), (24, 879035765), (30, 703228612), (40, 527421459), (60, 351614306), (79, 267048840), (120, 175807153), (158, 133524420), (237, 89016280), (316, 66762210), (395, 53409768), (474, 44508140), (632, 33381105), (790, 26704884), (948, 22254070), (1185, 17803256), (1580, 13352442), (1896, 11127035), (2370, 8901628), (3160, 6676221), (4740, 4450814), (9480, 2225407)]