21692520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60257}}^1$

素因数の和:60274

約数の個数: 48

約数和(自身を含む): 70501860

約数和(自身を除く): 48809340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60257, 120514, 180771, 241028, 301285, 361542, 482056, 542313, 602570, 723084, 903855, 1084626, 1205140, 1446168, 1807710, 2169252, 2410280, 2711565, 3615420, 4338504, 5423130, 7230840, 10846260, 21692520]

約数ペア:

[(1, 21692520), (2, 10846260), (3, 7230840), (4, 5423130), (5, 4338504), (6, 3615420), (8, 2711565), (9, 2410280), (10, 2169252), (12, 1807710), (15, 1446168), (18, 1205140), (20, 1084626), (24, 903855), (30, 723084), (36, 602570), (40, 542313), (45, 482056), (60, 361542), (72, 301285), (90, 241028), (120, 180771), (180, 120514), (360, 60257)]