21391009344

素因数分解:

$2^6\times 3^2\times {\mathrm{563}}^1\times {\mathrm{65963}}^1$

素因数の和:66544

約数の個数: 84

約数和(自身を含む): 61423302096

約数和(自身を除く): 40032292752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 563, 576, 1126, 1689, 2252, 3378, 4504, 5067, 6756, 9008, 10134, 13512, 18016, 20268, 27024, 36032, 40536, 54048, 65963, 81072, 108096, 131926, 162144, 197889, 263852, 324288, 395778, 527704, 593667, 791556, 1055408, 1187334, 1583112, 2110816, 2374668, 3166224, 4221632, 4749336, 6332448, 9498672, 12664896, 18997344, 37137169, 37994688, 74274338, 111411507, 148548676, 222823014, 297097352, 334234521, 445646028, 594194704, 668469042, 891292056, 1188389408, 1336938084, 1782584112, 2376778816, 2673876168, 3565168224, 5347752336, 7130336448, 10695504672, 21391009344]

約数ペア:

[(1, 21391009344), (2, 10695504672), (3, 7130336448), (4, 5347752336), (6, 3565168224), (8, 2673876168), (9, 2376778816), (12, 1782584112), (16, 1336938084), (18, 1188389408), (24, 891292056), (32, 668469042), (36, 594194704), (48, 445646028), (64, 334234521), (72, 297097352), (96, 222823014), (144, 148548676), (192, 111411507), (288, 74274338), (563, 37994688), (576, 37137169), (1126, 18997344), (1689, 12664896), (2252, 9498672), (3378, 6332448), (4504, 4749336), (5067, 4221632), (6756, 3166224), (9008, 2374668), (10134, 2110816), (13512, 1583112), (18016, 1187334), (20268, 1055408), (27024, 791556), (36032, 593667), (40536, 527704), (54048, 395778), (65963, 324288), (81072, 263852), (108096, 197889), (131926, 162144)]