21973740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15923}}^1$

素因数の和:15958

約数の個数: 48

約数和(自身を含む): 64205568

約数和(自身を除く): 42231828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15923, 31846, 47769, 63692, 79615, 95538, 159230, 191076, 238845, 318460, 366229, 477690, 732458, 955380, 1098687, 1464916, 1831145, 2197374, 3662290, 4394748, 5493435, 7324580, 10986870, 21973740]

約数ペア:

[(1, 21973740), (2, 10986870), (3, 7324580), (4, 5493435), (5, 4394748), (6, 3662290), (10, 2197374), (12, 1831145), (15, 1464916), (20, 1098687), (23, 955380), (30, 732458), (46, 477690), (60, 366229), (69, 318460), (92, 238845), (115, 191076), (138, 159230), (230, 95538), (276, 79615), (345, 63692), (460, 47769), (690, 31846), (1380, 15923)]