21323536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3307}}^1$

素因数の和:3359

約数の個数: 40

約数和(自身を含む): 45941504

約数和(自身を除く): 24617968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 3307, 6448, 6614, 13228, 26456, 42991, 52912, 85982, 102517, 171964, 205034, 343928, 410068, 687856, 820136, 1332721, 1640272, 2665442, 5330884, 10661768, 21323536]

約数ペア:

[(1, 21323536), (2, 10661768), (4, 5330884), (8, 2665442), (13, 1640272), (16, 1332721), (26, 820136), (31, 687856), (52, 410068), (62, 343928), (104, 205034), (124, 171964), (208, 102517), (248, 85982), (403, 52912), (496, 42991), (806, 26456), (1612, 13228), (3224, 6614), (3307, 6448)]