21528972

素因数分解:

$2^2\times 3^2\times {\mathrm{167}}^1\times {\mathrm{3581}}^1$

素因数の和:3758

約数の個数: 36

約数和(自身を含む): 54761616

約数和(自身を除く): 33232644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 167, 334, 501, 668, 1002, 1503, 2004, 3006, 3581, 6012, 7162, 10743, 14324, 21486, 32229, 42972, 64458, 128916, 598027, 1196054, 1794081, 2392108, 3588162, 5382243, 7176324, 10764486, 21528972]

約数ペア:

[(1, 21528972), (2, 10764486), (3, 7176324), (4, 5382243), (6, 3588162), (9, 2392108), (12, 1794081), (18, 1196054), (36, 598027), (167, 128916), (334, 64458), (501, 42972), (668, 32229), (1002, 21486), (1503, 14324), (2004, 10743), (3006, 7162), (3581, 6012)]