21920964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1693}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 55780032

約数和(自身を除く): 33859068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 83, 156, 166, 249, 332, 498, 996, 1079, 1693, 2158, 3237, 3386, 4316, 5079, 6474, 6772, 10158, 12948, 20316, 22009, 44018, 66027, 88036, 132054, 140519, 264108, 281038, 421557, 562076, 843114, 1686228, 1826747, 3653494, 5480241, 7306988, 10960482, 21920964]

約数ペア:

[(1, 21920964), (2, 10960482), (3, 7306988), (4, 5480241), (6, 3653494), (12, 1826747), (13, 1686228), (26, 843114), (39, 562076), (52, 421557), (78, 281038), (83, 264108), (156, 140519), (166, 132054), (249, 88036), (332, 66027), (498, 44018), (996, 22009), (1079, 20316), (1693, 12948), (2158, 10158), (3237, 6772), (3386, 6474), (4316, 5079)]