21884940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1579}}^1$

素因数の和:1612

約数の個数: 144

約数和(自身を含む): 82817280

約数和(自身を除く): 60932340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1579, 1980, 2310, 2772, 3158, 3465, 4620, 4737, 6316, 6930, 7895, 9474, 11053, 13860, 14211, 15790, 17369, 18948, 22106, 23685, 28422, 31580, 33159, 34738, 44212, 47370, 52107, 55265, 56844, 66318, 69476, 71055, 86845, 94740, 99477, 104214, 110530, 121583, 132636, 142110, 156321, 165795, 173690, 198954, 208428, 221060, 243166, 260535, 284220, 312642, 331590, 347380, 364749, 397908, 486332, 497385, 521070, 607915, 625284, 663180, 729498, 781605, 994770, 1042140, 1094247, 1215830, 1458996, 1563210, 1823745, 1989540, 2188494, 2431660, 3126420, 3647490, 4376988, 5471235, 7294980, 10942470, 21884940]

約数ペア:

[(1, 21884940), (2, 10942470), (3, 7294980), (4, 5471235), (5, 4376988), (6, 3647490), (7, 3126420), (9, 2431660), (10, 2188494), (11, 1989540), (12, 1823745), (14, 1563210), (15, 1458996), (18, 1215830), (20, 1094247), (21, 1042140), (22, 994770), (28, 781605), (30, 729498), (33, 663180), (35, 625284), (36, 607915), (42, 521070), (44, 497385), (45, 486332), (55, 397908), (60, 364749), (63, 347380), (66, 331590), (70, 312642), (77, 284220), (84, 260535), (90, 243166), (99, 221060), (105, 208428), (110, 198954), (126, 173690), (132, 165795), (140, 156321), (154, 142110), (165, 132636), (180, 121583), (198, 110530), (210, 104214), (220, 99477), (231, 94740), (252, 86845), (308, 71055), (315, 69476), (330, 66318), (385, 56844), (396, 55265), (420, 52107), (462, 47370), (495, 44212), (630, 34738), (660, 33159), (693, 31580), (770, 28422), (924, 23685), (990, 22106), (1155, 18948), (1260, 17369), (1386, 15790), (1540, 14211), (1579, 13860), (1980, 11053), (2310, 9474), (2772, 7895), (3158, 6930), (3465, 6316), (4620, 4737)]