21263352

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 58406400

約数和(自身を除く): 37143048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 239, 264, 337, 478, 674, 717, 956, 1011, 1348, 1434, 1912, 2022, 2629, 2696, 2868, 3707, 4044, 5258, 5736, 7414, 7887, 8088, 10516, 11121, 14828, 15774, 21032, 22242, 29656, 31548, 44484, 63096, 80543, 88968, 161086, 241629, 322172, 483258, 644344, 885973, 966516, 1771946, 1933032, 2657919, 3543892, 5315838, 7087784, 10631676, 21263352]

約数ペア:

[(1, 21263352), (2, 10631676), (3, 7087784), (4, 5315838), (6, 3543892), (8, 2657919), (11, 1933032), (12, 1771946), (22, 966516), (24, 885973), (33, 644344), (44, 483258), (66, 322172), (88, 241629), (132, 161086), (239, 88968), (264, 80543), (337, 63096), (478, 44484), (674, 31548), (717, 29656), (956, 22242), (1011, 21032), (1348, 15774), (1434, 14828), (1912, 11121), (2022, 10516), (2629, 8088), (2696, 7887), (2868, 7414), (3707, 5736), (4044, 5258)]