21994532

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 28808668

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 41, 46, 49, 68, 82, 92, 98, 119, 161, 164, 196, 238, 287, 322, 343, 391, 476, 574, 644, 686, 697, 782, 833, 943, 1127, 1148, 1372, 1394, 1564, 1666, 1886, 2009, 2254, 2737, 2788, 3332, 3772, 4018, 4508, 4879, 5474, 5831, 6601, 7889, 8036, 9758, 10948, 11662, 13202, 14063, 15778, 16031, 19159, 19516, 23324, 26404, 28126, 31556, 32062, 34153, 38318, 46207, 56252, 64124, 68306, 76636, 92414, 112217, 134113, 136612, 184828, 224434, 239071, 268226, 323449, 448868, 478142, 536452, 646898, 785519, 956284, 1293796, 1571038, 3142076, 5498633, 10997266, 21994532]

約数ペア:

[(1, 21994532), (2, 10997266), (4, 5498633), (7, 3142076), (14, 1571038), (17, 1293796), (23, 956284), (28, 785519), (34, 646898), (41, 536452), (46, 478142), (49, 448868), (68, 323449), (82, 268226), (92, 239071), (98, 224434), (119, 184828), (161, 136612), (164, 134113), (196, 112217), (238, 92414), (287, 76636), (322, 68306), (343, 64124), (391, 56252), (476, 46207), (574, 38318), (644, 34153), (686, 32062), (697, 31556), (782, 28126), (833, 26404), (943, 23324), (1127, 19516), (1148, 19159), (1372, 16031), (1394, 15778), (1564, 14063), (1666, 13202), (1886, 11662), (2009, 10948), (2254, 9758), (2737, 8036), (2788, 7889), (3332, 6601), (3772, 5831), (4018, 5474), (4508, 4879)]