21589860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{587}}^1\times {\mathrm{613}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 60653376

約数和(自身を除く): 39063516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 587, 613, 1174, 1226, 1761, 1839, 2348, 2452, 2935, 3065, 3522, 3678, 5870, 6130, 7044, 7356, 8805, 9195, 11740, 12260, 17610, 18390, 35220, 36780, 359831, 719662, 1079493, 1439324, 1799155, 2158986, 3598310, 4317972, 5397465, 7196620, 10794930, 21589860]

約数ペア:

[(1, 21589860), (2, 10794930), (3, 7196620), (4, 5397465), (5, 4317972), (6, 3598310), (10, 2158986), (12, 1799155), (15, 1439324), (20, 1079493), (30, 719662), (60, 359831), (587, 36780), (613, 35220), (1174, 18390), (1226, 17610), (1761, 12260), (1839, 11740), (2348, 9195), (2452, 8805), (2935, 7356), (3065, 7044), (3522, 6130), (3678, 5870)]