21471406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 38200320

約数和(自身を除く): 16728914

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 209, 341, 418, 589, 682, 1178, 1657, 3314, 6479, 12958, 18227, 31483, 36454, 51367, 62966, 102734, 346313, 565037, 692626, 975973, 1130074, 1951946, 10735703, 21471406]

約数ペア:

[(1, 21471406), (2, 10735703), (11, 1951946), (19, 1130074), (22, 975973), (31, 692626), (38, 565037), (62, 346313), (209, 102734), (341, 62966), (418, 51367), (589, 36454), (682, 31483), (1178, 18227), (1657, 12958), (3314, 6479)]