21873142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 36334080

約数和(自身を除く): 14460938

約数列:

[1, 2, 19, 37, 38, 47, 74, 94, 331, 662, 703, 893, 1406, 1739, 1786, 3478, 6289, 12247, 12578, 15557, 24494, 31114, 33041, 66082, 232693, 295583, 465386, 575609, 591166, 1151218, 10936571, 21873142]

約数ペア:

[(1, 21873142), (2, 10936571), (19, 1151218), (37, 591166), (38, 575609), (47, 465386), (74, 295583), (94, 232693), (331, 66082), (662, 33041), (703, 31114), (893, 24494), (1406, 15557), (1739, 12578), (1786, 12247), (3478, 6289)]