2171358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 5665920

約数和(自身を除く): 3494562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 907, 1197, 1814, 2394, 2721, 5442, 6349, 8163, 12698, 16326, 17233, 19047, 34466, 38094, 51699, 57141, 103398, 114282, 120631, 155097, 241262, 310194, 361893, 723786, 1085679, 2171358]

約数ペア:

[(1, 2171358), (2, 1085679), (3, 723786), (6, 361893), (7, 310194), (9, 241262), (14, 155097), (18, 120631), (19, 114282), (21, 103398), (38, 57141), (42, 51699), (57, 38094), (63, 34466), (114, 19047), (126, 17233), (133, 16326), (171, 12698), (266, 8163), (342, 6349), (399, 5442), (798, 2721), (907, 2394), (1197, 1814)]