21330397442

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1\times {\mathrm{977}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 32485154112

約数和(自身を除く): 11154756670

約数列:

[1, 2, 163, 193, 326, 347, 386, 694, 977, 1954, 31459, 56561, 62918, 66971, 113122, 133942, 159251, 188561, 318502, 339019, 377122, 678038, 10916273, 21832546, 30735443, 55260097, 61470886, 65430667, 110520194, 130861334, 10665198721, 21330397442]

約数ペア:

[(1, 21330397442), (2, 10665198721), (163, 130861334), (193, 110520194), (326, 65430667), (347, 61470886), (386, 55260097), (694, 30735443), (977, 21832546), (1954, 10916273), (31459, 678038), (56561, 377122), (62918, 339019), (66971, 318502), (113122, 188561), (133942, 159251)]