21940763975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{92353}}^1$

素因数の和:92436

約数の個数: 48

約数和(自身を含む): 31744655712

約数和(自身を除く): 9803891737

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 325, 425, 559, 731, 1075, 1105, 2795, 3655, 5525, 9503, 13975, 18275, 47515, 92353, 237575, 461765, 1200589, 1570001, 2308825, 3971179, 6002945, 7850005, 19855895, 20410013, 30014725, 39250025, 51625327, 67510043, 99279475, 102050065, 258126635, 337550215, 510250325, 877630559, 1290633175, 1687751075, 4388152795, 21940763975]

約数ペア:

[(1, 21940763975), (5, 4388152795), (13, 1687751075), (17, 1290633175), (25, 877630559), (43, 510250325), (65, 337550215), (85, 258126635), (215, 102050065), (221, 99279475), (325, 67510043), (425, 51625327), (559, 39250025), (731, 30014725), (1075, 20410013), (1105, 19855895), (2795, 7850005), (3655, 6002945), (5525, 3971179), (9503, 2308825), (13975, 1570001), (18275, 1200589), (47515, 461765), (92353, 237575)]