21387636

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{3319}}^1$

素因数の和:3508

約数の個数: 36

約数和(自身を含む): 54381600

約数和(自身を除く): 32993964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3222, 3319, 6444, 6638, 9957, 13276, 19914, 29871, 39828, 59742, 119484, 594101, 1188202, 1782303, 2376404, 3564606, 5346909, 7129212, 10693818, 21387636]

約数ペア:

[(1, 21387636), (2, 10693818), (3, 7129212), (4, 5346909), (6, 3564606), (9, 2376404), (12, 1782303), (18, 1188202), (36, 594101), (179, 119484), (358, 59742), (537, 39828), (716, 29871), (1074, 19914), (1611, 13276), (2148, 9957), (3222, 6638), (3319, 6444)]