21167202472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{21817}}^1$

素因数の和:22346

約数の個数: 64

約数和(自身を含む): 45084715200

約数和(自身を除く): 23917512728

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 491, 494, 982, 988, 1964, 1976, 3928, 6383, 9329, 12766, 18658, 21817, 25532, 37316, 43634, 51064, 74632, 87268, 121277, 174536, 242554, 283621, 414523, 485108, 567242, 829046, 970216, 1134484, 1658092, 2268968, 3316184, 5388799, 10712147, 10777598, 21424294, 21555196, 42848588, 43110392, 85697176, 139257911, 203530793, 278515822, 407061586, 557031644, 814123172, 1114063288, 1628246344, 2645900309, 5291800618, 10583601236, 21167202472]

約数ペア:

[(1, 21167202472), (2, 10583601236), (4, 5291800618), (8, 2645900309), (13, 1628246344), (19, 1114063288), (26, 814123172), (38, 557031644), (52, 407061586), (76, 278515822), (104, 203530793), (152, 139257911), (247, 85697176), (491, 43110392), (494, 42848588), (982, 21555196), (988, 21424294), (1964, 10777598), (1976, 10712147), (3928, 5388799), (6383, 3316184), (9329, 2268968), (12766, 1658092), (18658, 1134484), (21817, 970216), (25532, 829046), (37316, 567242), (43634, 485108), (51064, 414523), (74632, 283621), (87268, 242554), (121277, 174536)]