21490219316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{16747}}^1$

素因数の和:17048

約数の個数: 48

約数和(自身を含む): 40415469696

約数和(自身を除く): 18925250380

約数列:

[1, 2, 4, 17, 34, 68, 113, 167, 226, 334, 452, 668, 1921, 2839, 3842, 5678, 7684, 11356, 16747, 18871, 33494, 37742, 66988, 75484, 284699, 320807, 569398, 641614, 1138796, 1283228, 1892411, 2796749, 3784822, 5593498, 7569644, 11186996, 32170987, 47544733, 64341974, 95089466, 128683948, 190178932, 316032637, 632065274, 1264130548, 5372554829, 10745109658, 21490219316]

約数ペア:

[(1, 21490219316), (2, 10745109658), (4, 5372554829), (17, 1264130548), (34, 632065274), (68, 316032637), (113, 190178932), (167, 128683948), (226, 95089466), (334, 64341974), (452, 47544733), (668, 32170987), (1921, 11186996), (2839, 7569644), (3842, 5593498), (5678, 3784822), (7684, 2796749), (11356, 1892411), (16747, 1283228), (18871, 1138796), (33494, 641614), (37742, 569398), (66988, 320807), (75484, 284699)]