21440376

素因数分解:

$2^3\times 3^5\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 40476024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 81, 82, 108, 123, 162, 164, 216, 243, 246, 269, 324, 328, 369, 486, 492, 538, 648, 738, 807, 972, 984, 1076, 1107, 1476, 1614, 1944, 2152, 2214, 2421, 2952, 3228, 3321, 4428, 4842, 6456, 6642, 7263, 8856, 9684, 9963, 11029, 13284, 14526, 19368, 19926, 21789, 22058, 26568, 29052, 33087, 39852, 43578, 44116, 58104, 65367, 66174, 79704, 87156, 88232, 99261, 130734, 132348, 174312, 198522, 261468, 264696, 297783, 397044, 522936, 595566, 794088, 893349, 1191132, 1786698, 2382264, 2680047, 3573396, 5360094, 7146792, 10720188, 21440376]

約数ペア:

[(1, 21440376), (2, 10720188), (3, 7146792), (4, 5360094), (6, 3573396), (8, 2680047), (9, 2382264), (12, 1786698), (18, 1191132), (24, 893349), (27, 794088), (36, 595566), (41, 522936), (54, 397044), (72, 297783), (81, 264696), (82, 261468), (108, 198522), (123, 174312), (162, 132348), (164, 130734), (216, 99261), (243, 88232), (246, 87156), (269, 79704), (324, 66174), (328, 65367), (369, 58104), (486, 44116), (492, 43578), (538, 39852), (648, 33087), (738, 29052), (807, 26568), (972, 22058), (984, 21789), (1076, 19926), (1107, 19368), (1476, 14526), (1614, 13284), (1944, 11029), (2152, 9963), (2214, 9684), (2421, 8856), (2952, 7263), (3228, 6642), (3321, 6456), (4428, 4842)]