21532720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24469}}^1$

素因数の和:24493

約数の個数: 40

約数和(自身を含む): 54617040

約数和(自身を除く): 33084320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24469, 48938, 97876, 122345, 195752, 244690, 269159, 391504, 489380, 538318, 978760, 1076636, 1345795, 1957520, 2153272, 2691590, 4306544, 5383180, 10766360, 21532720]

約数ペア:

[(1, 21532720), (2, 10766360), (4, 5383180), (5, 4306544), (8, 2691590), (10, 2153272), (11, 1957520), (16, 1345795), (20, 1076636), (22, 978760), (40, 538318), (44, 489380), (55, 391504), (80, 269159), (88, 244690), (110, 195752), (176, 122345), (220, 97876), (440, 48938), (880, 24469)]