21749154

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 53415936

約数和(自身を除く): 31666782

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 83, 102, 119, 166, 238, 249, 357, 367, 498, 581, 714, 734, 1101, 1162, 1411, 1743, 2202, 2569, 2822, 3486, 4233, 5138, 6239, 7707, 8466, 9877, 12478, 15414, 18717, 19754, 29631, 30461, 37434, 43673, 59262, 60922, 87346, 91383, 131019, 182766, 213227, 262038, 426454, 517837, 639681, 1035674, 1279362, 1553511, 3107022, 3624859, 7249718, 10874577, 21749154]

約数ペア:

[(1, 21749154), (2, 10874577), (3, 7249718), (6, 3624859), (7, 3107022), (14, 1553511), (17, 1279362), (21, 1035674), (34, 639681), (42, 517837), (51, 426454), (83, 262038), (102, 213227), (119, 182766), (166, 131019), (238, 91383), (249, 87346), (357, 60922), (367, 59262), (498, 43673), (581, 37434), (714, 30461), (734, 29631), (1101, 19754), (1162, 18717), (1411, 15414), (1743, 12478), (2202, 9877), (2569, 8466), (2822, 7707), (3486, 6239), (4233, 5138)]