21700692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 59852520

約数和(自身を除く): 38151828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 521, 534, 801, 1042, 1068, 1157, 1563, 1602, 2084, 2314, 3126, 3204, 3471, 4628, 4689, 6252, 6773, 6942, 9378, 10413, 13546, 13884, 18756, 20319, 20826, 27092, 40638, 41652, 46369, 60957, 81276, 92738, 121914, 139107, 185476, 243828, 278214, 417321, 556428, 602797, 834642, 1205594, 1669284, 1808391, 2411188, 3616782, 5425173, 7233564, 10850346, 21700692]

約数ペア:

[(1, 21700692), (2, 10850346), (3, 7233564), (4, 5425173), (6, 3616782), (9, 2411188), (12, 1808391), (13, 1669284), (18, 1205594), (26, 834642), (36, 602797), (39, 556428), (52, 417321), (78, 278214), (89, 243828), (117, 185476), (156, 139107), (178, 121914), (234, 92738), (267, 81276), (356, 60957), (468, 46369), (521, 41652), (534, 40638), (801, 27092), (1042, 20826), (1068, 20319), (1157, 18756), (1563, 13884), (1602, 13546), (2084, 10413), (2314, 9378), (3126, 6942), (3204, 6773), (3471, 6252), (4628, 4689)]