21502338

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 31720062

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 209, 247, 286, 418, 429, 494, 627, 741, 858, 1254, 1319, 1482, 2638, 2717, 3957, 5434, 7914, 8151, 14509, 16302, 17147, 25061, 29018, 34294, 43527, 50122, 51441, 75183, 87054, 102882, 150366, 188617, 275671, 325793, 377234, 551342, 565851, 651586, 827013, 977379, 1131702, 1654026, 1954758, 3583723, 7167446, 10751169, 21502338]

約数ペア:

[(1, 21502338), (2, 10751169), (3, 7167446), (6, 3583723), (11, 1954758), (13, 1654026), (19, 1131702), (22, 977379), (26, 827013), (33, 651586), (38, 565851), (39, 551342), (57, 377234), (66, 325793), (78, 275671), (114, 188617), (143, 150366), (209, 102882), (247, 87054), (286, 75183), (418, 51441), (429, 50122), (494, 43527), (627, 34294), (741, 29018), (858, 25061), (1254, 17147), (1319, 16302), (1482, 14509), (2638, 8151), (2717, 7914), (3957, 5434)]