21008889724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{17971}}^1$

素因数の和:18226

約数の個数: 48

約数和(自身を含む): 39057613056

約数和(自身を除く): 18048723332

約数列:

[1, 2, 4, 23, 46, 92, 97, 131, 194, 262, 388, 524, 2231, 3013, 4462, 6026, 8924, 12052, 12707, 17971, 25414, 35942, 50828, 71884, 292261, 413333, 584522, 826666, 1169044, 1653332, 1743187, 2354201, 3486374, 4708402, 6972748, 9416804, 40093301, 54146623, 80186602, 108293246, 160373204, 216586492, 228357497, 456714994, 913429988, 5252222431, 10504444862, 21008889724]

約数ペア:

[(1, 21008889724), (2, 10504444862), (4, 5252222431), (23, 913429988), (46, 456714994), (92, 228357497), (97, 216586492), (131, 160373204), (194, 108293246), (262, 80186602), (388, 54146623), (524, 40093301), (2231, 9416804), (3013, 6972748), (4462, 4708402), (6026, 3486374), (8924, 2354201), (12052, 1743187), (12707, 1653332), (17971, 1169044), (25414, 826666), (35942, 584522), (50828, 413333), (71884, 292261)]