21370262394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{39461}}^1$

素因数の和:39663

約数の個数: 64

約数和(自身を含む): 47255902848

約数和(自身を除く): 25885640454

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 131, 159, 262, 318, 393, 689, 786, 1378, 1703, 2067, 3406, 4134, 5109, 6943, 10218, 13886, 20829, 39461, 41658, 78922, 90259, 118383, 180518, 236766, 270777, 512993, 541554, 1025986, 1538979, 2091433, 3077958, 4182866, 5169391, 6274299, 10338782, 12548598, 15508173, 27188629, 31016346, 54377258, 67202083, 81565887, 134404166, 163131774, 201606249, 273977723, 403212498, 547955446, 821933169, 1643866338, 3561710399, 7123420798, 10685131197, 21370262394]

約数ペア:

[(1, 21370262394), (2, 10685131197), (3, 7123420798), (6, 3561710399), (13, 1643866338), (26, 821933169), (39, 547955446), (53, 403212498), (78, 273977723), (106, 201606249), (131, 163131774), (159, 134404166), (262, 81565887), (318, 67202083), (393, 54377258), (689, 31016346), (786, 27188629), (1378, 15508173), (1703, 12548598), (2067, 10338782), (3406, 6274299), (4134, 5169391), (5109, 4182866), (6943, 3077958), (10218, 2091433), (13886, 1538979), (20829, 1025986), (39461, 541554), (41658, 512993), (78922, 270777), (90259, 236766), (118383, 180518)]