21177402

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2777}}^1$

素因数の和:2854

約数の個数: 32

約数和(自身を含む): 44803584

約数和(自身を除く): 23626182

約数列:

[1, 2, 3, 6, 31, 41, 62, 82, 93, 123, 186, 246, 1271, 2542, 2777, 3813, 5554, 7626, 8331, 16662, 86087, 113857, 172174, 227714, 258261, 341571, 516522, 683142, 3529567, 7059134, 10588701, 21177402]

約数ペア:

[(1, 21177402), (2, 10588701), (3, 7059134), (6, 3529567), (31, 683142), (41, 516522), (62, 341571), (82, 258261), (93, 227714), (123, 172174), (186, 113857), (246, 86087), (1271, 16662), (2542, 8331), (2777, 7626), (3813, 5554)]