21319560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59221}}^1$

素因数の和:59238

約数の個数: 48

約数和(自身を含む): 69289740

約数和(自身を除く): 47970180

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, 59221, 118442, 177663, 236884, 296105, 355326, 473768, 532989, 592210, 710652, 888315, 1065978, 1184420, 1421304, 1776630, 2131956, 2368840, 2664945, 3553260, 4263912, 5329890, 7106520, 10659780, 21319560]

約数ペア:

[(1, 21319560), (2, 10659780), (3, 7106520), (4, 5329890), (5, 4263912), (6, 3553260), (8, 2664945), (9, 2368840), (10, 2131956), (12, 1776630), (15, 1421304), (18, 1184420), (20, 1065978), (24, 888315), (30, 710652), (36, 592210), (40, 532989), (45, 473768), (60, 355326), (72, 296105), (90, 236884), (120, 177663), (180, 118442), (360, 59221)]