21440454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{607}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 50838528

約数和(自身を除く): 29398074

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 607, 609, 841, 1214, 1218, 1682, 1821, 2523, 3642, 4249, 5046, 5887, 8498, 11774, 12747, 17603, 17661, 25494, 35206, 35322, 52809, 105618, 123221, 246442, 369663, 510487, 739326, 1020974, 1531461, 3062922, 3573409, 7146818, 10720227, 21440454]

約数ペア:

[(1, 21440454), (2, 10720227), (3, 7146818), (6, 3573409), (7, 3062922), (14, 1531461), (21, 1020974), (29, 739326), (42, 510487), (58, 369663), (87, 246442), (174, 123221), (203, 105618), (406, 52809), (607, 35322), (609, 35206), (841, 25494), (1214, 17661), (1218, 17603), (1682, 12747), (1821, 11774), (2523, 8498), (3642, 5887), (4249, 5046)]