21344388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2243}}^1$

素因数の和:2324

約数の個数: 48

約数和(自身を含む): 54538176

約数和(自身を除く): 33193788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2243, 2379, 3172, 4486, 4758, 6729, 8972, 9516, 13458, 26916, 29159, 58318, 87477, 116636, 136823, 174954, 273646, 349908, 410469, 547292, 820938, 1641876, 1778699, 3557398, 5336097, 7114796, 10672194, 21344388]

約数ペア:

[(1, 21344388), (2, 10672194), (3, 7114796), (4, 5336097), (6, 3557398), (12, 1778699), (13, 1641876), (26, 820938), (39, 547292), (52, 410469), (61, 349908), (78, 273646), (122, 174954), (156, 136823), (183, 116636), (244, 87477), (366, 58318), (732, 29159), (793, 26916), (1586, 13458), (2243, 9516), (2379, 8972), (3172, 6729), (4486, 4758)]