21332844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 58909760

約数和(自身を除く): 37576916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 577, 711, 948, 1027, 1154, 1422, 1731, 2054, 2308, 2844, 3081, 3462, 4108, 5193, 6162, 6924, 7501, 9243, 10386, 12324, 15002, 18486, 20772, 22503, 30004, 36972, 45006, 45583, 67509, 90012, 91166, 135018, 136749, 182332, 270036, 273498, 410247, 546996, 592579, 820494, 1185158, 1640988, 1777737, 2370316, 3555474, 5333211, 7110948, 10666422, 21332844]

約数ペア:

[(1, 21332844), (2, 10666422), (3, 7110948), (4, 5333211), (6, 3555474), (9, 2370316), (12, 1777737), (13, 1640988), (18, 1185158), (26, 820494), (36, 592579), (39, 546996), (52, 410247), (78, 273498), (79, 270036), (117, 182332), (156, 136749), (158, 135018), (234, 91166), (237, 90012), (316, 67509), (468, 45583), (474, 45006), (577, 36972), (711, 30004), (948, 22503), (1027, 20772), (1154, 18486), (1422, 15002), (1731, 12324), (2054, 10386), (2308, 9243), (2844, 7501), (3081, 6924), (3462, 6162), (4108, 5193)]