21157140962

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1\times {\mathrm{16231}}^1$

素因数の和:16958

約数の個数: 32

約数和(自身を含む): 33939164160

約数和(自身を除く): 12782023198

約数列:

[1, 2, 23, 43, 46, 86, 659, 989, 1318, 1978, 15157, 16231, 28337, 30314, 32462, 56674, 373313, 651751, 697933, 746626, 1303502, 1395866, 10696229, 16052459, 21392458, 32104918, 246013267, 459937847, 492026534, 919875694, 10578570481, 21157140962]

約数ペア:

[(1, 21157140962), (2, 10578570481), (23, 919875694), (43, 492026534), (46, 459937847), (86, 246013267), (659, 32104918), (989, 21392458), (1318, 16052459), (1978, 10696229), (15157, 1395866), (16231, 1303502), (28337, 746626), (30314, 697933), (32462, 651751), (56674, 373313)]