21365718168

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1\times {\mathrm{6673}}^1$

素因数の和:8632

約数の個数: 64

約数和(自身を含む): 54203558400

約数和(自身を除く): 32837840232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 1879, 3758, 5637, 6673, 7516, 11274, 13346, 15032, 20019, 22548, 26692, 40038, 45096, 53384, 80076, 133409, 160152, 266818, 400227, 473783, 533636, 800454, 947566, 1067272, 1421349, 1600908, 1895132, 2842698, 3201816, 3790264, 5685396, 11370792, 12538567, 25077134, 37615701, 50154268, 75231402, 100308536, 150462804, 300925608, 890238257, 1780476514, 2670714771, 3560953028, 5341429542, 7121906056, 10682859084, 21365718168]

約数ペア:

[(1, 21365718168), (2, 10682859084), (3, 7121906056), (4, 5341429542), (6, 3560953028), (8, 2670714771), (12, 1780476514), (24, 890238257), (71, 300925608), (142, 150462804), (213, 100308536), (284, 75231402), (426, 50154268), (568, 37615701), (852, 25077134), (1704, 12538567), (1879, 11370792), (3758, 5685396), (5637, 3790264), (6673, 3201816), (7516, 2842698), (11274, 1895132), (13346, 1600908), (15032, 1421349), (20019, 1067272), (22548, 947566), (26692, 800454), (40038, 533636), (45096, 473783), (53384, 400227), (80076, 266818), (133409, 160152)]