21279050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1767

約数の個数: 48

約数和(自身を含む): 44892960

約数和(自身を除く): 23613910

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1723, 2470, 3446, 6175, 8615, 12350, 17230, 22399, 32737, 43075, 44798, 65474, 86150, 111995, 163685, 223990, 327370, 425581, 559975, 818425, 851162, 1119950, 1636850, 2127905, 4255810, 10639525, 21279050]

約数ペア:

[(1, 21279050), (2, 10639525), (5, 4255810), (10, 2127905), (13, 1636850), (19, 1119950), (25, 851162), (26, 818425), (38, 559975), (50, 425581), (65, 327370), (95, 223990), (130, 163685), (190, 111995), (247, 86150), (325, 65474), (475, 44798), (494, 43075), (650, 32737), (950, 22399), (1235, 17230), (1723, 12350), (2470, 8615), (3446, 6175)]