21630678

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 44416512

約数和(自身を除く): 22785834

約数列:

[1, 2, 3, 6, 53, 106, 159, 251, 271, 318, 502, 542, 753, 813, 1506, 1626, 13303, 14363, 26606, 28726, 39909, 43089, 68021, 79818, 86178, 136042, 204063, 408126, 3605113, 7210226, 10815339, 21630678]

約数ペア:

[(1, 21630678), (2, 10815339), (3, 7210226), (6, 3605113), (53, 408126), (106, 204063), (159, 136042), (251, 86178), (271, 79818), (318, 68021), (502, 43089), (542, 39909), (753, 28726), (813, 26606), (1506, 14363), (1626, 13303)]