21781820159

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1\times {\mathrm{883}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 24492599040

約数和(自身を除く): 2710778881

約数列:

[1, 11, 61, 97, 379, 671, 883, 1067, 4169, 5917, 9713, 23119, 36763, 53863, 65087, 85651, 254309, 334657, 404393, 592493, 942161, 2242543, 3681227, 5224711, 20414077, 24667973, 32461729, 57471821, 224554847, 357079019, 1980165469, 21781820159]

約数ペア:

[(1, 21781820159), (11, 1980165469), (61, 357079019), (97, 224554847), (379, 57471821), (671, 32461729), (883, 24667973), (1067, 20414077), (4169, 5224711), (5917, 3681227), (9713, 2242543), (23119, 942161), (36763, 592493), (53863, 404393), (65087, 334657), (85651, 254309)]