21492918156

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:1215

約数の個数: 96

約数和(自身を含む): 51849745920

約数和(自身を除く): 30356827764

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 251, 269, 492, 502, 538, 647, 753, 807, 1004, 1076, 1294, 1506, 1614, 1941, 2588, 3012, 3228, 3882, 7764, 10291, 11029, 20582, 22058, 26527, 30873, 33087, 41164, 44116, 53054, 61746, 66174, 67519, 79581, 106108, 123492, 132348, 135038, 159162, 162397, 174043, 202557, 270076, 318324, 324794, 348086, 405114, 487191, 522129, 649588, 696172, 810228, 974382, 1044258, 1948764, 2088516, 2768279, 5536558, 6658277, 7135763, 8304837, 11073116, 13316554, 14271526, 16609674, 19974831, 21407289, 26633108, 28543052, 33219348, 39949662, 42814578, 43684793, 79899324, 85629156, 87369586, 131054379, 174739172, 262108758, 524217516, 1791076513, 3582153026, 5373229539, 7164306052, 10746459078, 21492918156]

約数ペア:

[(1, 21492918156), (2, 10746459078), (3, 7164306052), (4, 5373229539), (6, 3582153026), (12, 1791076513), (41, 524217516), (82, 262108758), (123, 174739172), (164, 131054379), (246, 87369586), (251, 85629156), (269, 79899324), (492, 43684793), (502, 42814578), (538, 39949662), (647, 33219348), (753, 28543052), (807, 26633108), (1004, 21407289), (1076, 19974831), (1294, 16609674), (1506, 14271526), (1614, 13316554), (1941, 11073116), (2588, 8304837), (3012, 7135763), (3228, 6658277), (3882, 5536558), (7764, 2768279), (10291, 2088516), (11029, 1948764), (20582, 1044258), (22058, 974382), (26527, 810228), (30873, 696172), (33087, 649588), (41164, 522129), (44116, 487191), (53054, 405114), (61746, 348086), (66174, 324794), (67519, 318324), (79581, 270076), (106108, 202557), (123492, 174043), (132348, 162397), (135038, 159162)]