21056712

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 56395200

約数和(自身を除く): 35338488

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 76, 114, 122, 152, 183, 228, 244, 366, 456, 488, 732, 757, 1159, 1464, 1514, 2271, 2318, 3028, 3477, 4542, 4636, 6056, 6954, 9084, 9272, 13908, 14383, 18168, 27816, 28766, 43149, 46177, 57532, 86298, 92354, 115064, 138531, 172596, 184708, 277062, 345192, 369416, 554124, 877363, 1108248, 1754726, 2632089, 3509452, 5264178, 7018904, 10528356, 21056712]

約数ペア:

[(1, 21056712), (2, 10528356), (3, 7018904), (4, 5264178), (6, 3509452), (8, 2632089), (12, 1754726), (19, 1108248), (24, 877363), (38, 554124), (57, 369416), (61, 345192), (76, 277062), (114, 184708), (122, 172596), (152, 138531), (183, 115064), (228, 92354), (244, 86298), (366, 57532), (456, 46177), (488, 43149), (732, 28766), (757, 27816), (1159, 18168), (1464, 14383), (1514, 13908), (2271, 9272), (2318, 9084), (3028, 6954), (3477, 6056), (4542, 4636)]