16904940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21673}}^1$

素因数の和:21698

約数の個数: 48

約数和(自身を含む): 50977248

約数和(自身を除く): 34072308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21673, 43346, 65019, 86692, 108365, 130038, 216730, 260076, 281749, 325095, 433460, 563498, 650190, 845247, 1126996, 1300380, 1408745, 1690494, 2817490, 3380988, 4226235, 5634980, 8452470, 16904940]

約数ペア:

[(1, 16904940), (2, 8452470), (3, 5634980), (4, 4226235), (5, 3380988), (6, 2817490), (10, 1690494), (12, 1408745), (13, 1300380), (15, 1126996), (20, 845247), (26, 650190), (30, 563498), (39, 433460), (52, 325095), (60, 281749), (65, 260076), (78, 216730), (130, 130038), (156, 108365), (195, 86692), (260, 65019), (390, 43346), (780, 21673)]