21000955926

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1\times {\mathrm{2663}}^1$

素因数の和:3501

約数の個数: 64

約数和(自身を含む): 44238597120

約数和(自身を除く): 23237641194

約数列:

[1, 2, 3, 6, 29, 58, 61, 87, 122, 174, 183, 366, 743, 1486, 1769, 2229, 2663, 3538, 4458, 5307, 5326, 7989, 10614, 15978, 21547, 43094, 45323, 64641, 77227, 90646, 129282, 135969, 154454, 162443, 231681, 271938, 324886, 463362, 487329, 974658, 1314367, 1978609, 2628734, 3943101, 3957218, 4710847, 5935827, 7886202, 9421694, 11871654, 14132541, 28265082, 57379661, 114759322, 120695149, 172138983, 241390298, 344277966, 362085447, 724170894, 3500159321, 7000318642, 10500477963, 21000955926]

約数ペア:

[(1, 21000955926), (2, 10500477963), (3, 7000318642), (6, 3500159321), (29, 724170894), (58, 362085447), (61, 344277966), (87, 241390298), (122, 172138983), (174, 120695149), (183, 114759322), (366, 57379661), (743, 28265082), (1486, 14132541), (1769, 11871654), (2229, 9421694), (2663, 7886202), (3538, 5935827), (4458, 4710847), (5307, 3957218), (5326, 3943101), (7989, 2628734), (10614, 1978609), (15978, 1314367), (21547, 974658), (43094, 487329), (45323, 463362), (64641, 324886), (77227, 271938), (90646, 231681), (129282, 162443), (135969, 154454)]