21167005857

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1\times {\mathrm{2749}}^1$

素因数の和:3497

約数の個数: 32

約数和(自身を含む): 29177280000

約数和(自身を除く): 8010274143

約数列:

[1, 3, 53, 79, 159, 237, 613, 1839, 2749, 4187, 8247, 12561, 32489, 48427, 97467, 145281, 145697, 217171, 437091, 651513, 1685137, 2566631, 5055411, 7699893, 11510063, 34530189, 89312261, 133125823, 267936783, 399377469, 7055668619, 21167005857]

約数ペア:

[(1, 21167005857), (3, 7055668619), (53, 399377469), (79, 267936783), (159, 133125823), (237, 89312261), (613, 34530189), (1839, 11510063), (2749, 7699893), (4187, 5055411), (8247, 2566631), (12561, 1685137), (32489, 651513), (48427, 437091), (97467, 217171), (145281, 145697)]