21997726604

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{6949}}^1$

素因数の和:7519

約数の個数: 72

約数和(自身を含む): 46321027200

約数和(自身を除く): 24323300596

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 521, 868, 1042, 1519, 2084, 3038, 3647, 6076, 6949, 7294, 13898, 14588, 16151, 25529, 27796, 32302, 48643, 51058, 64604, 97286, 102116, 113057, 194572, 215419, 226114, 340501, 430838, 452228, 681002, 791399, 861676, 1362004, 1507933, 1582798, 3015866, 3165596, 3620429, 6031732, 7240858, 10555531, 14481716, 21111062, 25343003, 42222124, 50686006, 101372012, 112233299, 177401021, 224466598, 354802042, 448933196, 709604084, 785633093, 1571266186, 3142532372, 5499431651, 10998863302, 21997726604]

約数ペア:

[(1, 21997726604), (2, 10998863302), (4, 5499431651), (7, 3142532372), (14, 1571266186), (28, 785633093), (31, 709604084), (49, 448933196), (62, 354802042), (98, 224466598), (124, 177401021), (196, 112233299), (217, 101372012), (434, 50686006), (521, 42222124), (868, 25343003), (1042, 21111062), (1519, 14481716), (2084, 10555531), (3038, 7240858), (3647, 6031732), (6076, 3620429), (6949, 3165596), (7294, 3015866), (13898, 1582798), (14588, 1507933), (16151, 1362004), (25529, 861676), (27796, 791399), (32302, 681002), (48643, 452228), (51058, 430838), (64604, 340501), (97286, 226114), (102116, 215419), (113057, 194572)]