21099720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10343}}^1$

素因数の和:10374

約数の個数: 64

約数和(自身を含む): 67029120

約数和(自身を除く): 45929400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10343, 20686, 31029, 41372, 51715, 62058, 82744, 103430, 124116, 155145, 175831, 206860, 248232, 310290, 351662, 413720, 527493, 620580, 703324, 879155, 1054986, 1241160, 1406648, 1758310, 2109972, 2637465, 3516620, 4219944, 5274930, 7033240, 10549860, 21099720]

約数ペア:

[(1, 21099720), (2, 10549860), (3, 7033240), (4, 5274930), (5, 4219944), (6, 3516620), (8, 2637465), (10, 2109972), (12, 1758310), (15, 1406648), (17, 1241160), (20, 1054986), (24, 879155), (30, 703324), (34, 620580), (40, 527493), (51, 413720), (60, 351662), (68, 310290), (85, 248232), (102, 206860), (120, 175831), (136, 155145), (170, 124116), (204, 103430), (255, 82744), (340, 62058), (408, 51715), (510, 41372), (680, 31029), (1020, 20686), (2040, 10343)]