21754278494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{143443}}^1$

素因数の和:143784

約数の個数: 32

約数和(自身を含む): 37111831680

約数和(自身を除く): 15357553186

約数列:

[1, 2, 13, 19, 26, 38, 247, 307, 494, 614, 3991, 5833, 7982, 11666, 75829, 143443, 151658, 286886, 1864759, 2725417, 3729518, 5450834, 35430421, 44037001, 70860842, 88074002, 572481013, 836703019, 1144962026, 1673406038, 10877139247, 21754278494]

約数ペア:

[(1, 21754278494), (2, 10877139247), (13, 1673406038), (19, 1144962026), (26, 836703019), (38, 572481013), (247, 88074002), (307, 70860842), (494, 44037001), (614, 35430421), (3991, 5450834), (5833, 3729518), (7982, 2725417), (11666, 1864759), (75829, 286886), (143443, 151658)]