21297432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68261}}^1$

素因数の和:68283

約数の個数: 32

約数和(自身を含む): 57340080

約数和(自身を除く): 36042648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68261, 136522, 204783, 273044, 409566, 546088, 819132, 887393, 1638264, 1774786, 2662179, 3549572, 5324358, 7099144, 10648716, 21297432]

約数ペア:

[(1, 21297432), (2, 10648716), (3, 7099144), (4, 5324358), (6, 3549572), (8, 2662179), (12, 1774786), (13, 1638264), (24, 887393), (26, 819132), (39, 546088), (52, 409566), (78, 273044), (104, 204783), (156, 136522), (312, 68261)]