21847924

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 26415116

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 79, 83, 98, 119, 158, 166, 196, 238, 316, 332, 476, 553, 581, 833, 1106, 1162, 1343, 1411, 1666, 2212, 2324, 2686, 2822, 3332, 3871, 4067, 5372, 5644, 6557, 7742, 8134, 9401, 9877, 13114, 15484, 16268, 18802, 19754, 26228, 37604, 39508, 45899, 65807, 69139, 91798, 111469, 131614, 138278, 183596, 222938, 263228, 276556, 321293, 445876, 642586, 780283, 1285172, 1560566, 3121132, 5461981, 10923962, 21847924]

約数ペア:

[(1, 21847924), (2, 10923962), (4, 5461981), (7, 3121132), (14, 1560566), (17, 1285172), (28, 780283), (34, 642586), (49, 445876), (68, 321293), (79, 276556), (83, 263228), (98, 222938), (119, 183596), (158, 138278), (166, 131614), (196, 111469), (238, 91798), (316, 69139), (332, 65807), (476, 45899), (553, 39508), (581, 37604), (833, 26228), (1106, 19754), (1162, 18802), (1343, 16268), (1411, 15484), (1666, 13114), (2212, 9877), (2324, 9401), (2686, 8134), (2822, 7742), (3332, 6557), (3871, 5644), (4067, 5372)]