21213792

素因数分解:

$2^5\times 3^3\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 63423360

約数和(自身を除く): 42209568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 86, 96, 108, 129, 144, 172, 216, 258, 288, 344, 387, 432, 516, 571, 688, 774, 864, 1032, 1142, 1161, 1376, 1548, 1713, 2064, 2284, 2322, 3096, 3426, 4128, 4568, 4644, 5139, 6192, 6852, 9136, 9288, 10278, 12384, 13704, 15417, 18272, 18576, 20556, 24553, 27408, 30834, 37152, 41112, 49106, 54816, 61668, 73659, 82224, 98212, 123336, 147318, 164448, 196424, 220977, 246672, 294636, 392848, 441954, 493344, 589272, 662931, 785696, 883908, 1178544, 1325862, 1767816, 2357088, 2651724, 3535632, 5303448, 7071264, 10606896, 21213792]

約数ペア:

[(1, 21213792), (2, 10606896), (3, 7071264), (4, 5303448), (6, 3535632), (8, 2651724), (9, 2357088), (12, 1767816), (16, 1325862), (18, 1178544), (24, 883908), (27, 785696), (32, 662931), (36, 589272), (43, 493344), (48, 441954), (54, 392848), (72, 294636), (86, 246672), (96, 220977), (108, 196424), (129, 164448), (144, 147318), (172, 123336), (216, 98212), (258, 82224), (288, 73659), (344, 61668), (387, 54816), (432, 49106), (516, 41112), (571, 37152), (688, 30834), (774, 27408), (864, 24553), (1032, 20556), (1142, 18576), (1161, 18272), (1376, 15417), (1548, 13704), (1713, 12384), (2064, 10278), (2284, 9288), (2322, 9136), (3096, 6852), (3426, 6192), (4128, 5139), (4568, 4644)]