21454800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:981

約数の個数: 120

約数和(自身を含む): 72420960

約数和(自身を除く): 50966160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 380, 400, 456, 475, 570, 600, 760, 912, 941, 950, 1140, 1200, 1425, 1520, 1882, 1900, 2280, 2823, 2850, 3764, 3800, 4560, 4705, 5646, 5700, 7528, 7600, 9410, 11292, 11400, 14115, 15056, 17879, 18820, 22584, 22800, 23525, 28230, 35758, 37640, 45168, 47050, 53637, 56460, 70575, 71516, 75280, 89395, 94100, 107274, 112920, 141150, 143032, 178790, 188200, 214548, 225840, 268185, 282300, 286064, 357580, 376400, 429096, 446975, 536370, 564600, 715160, 858192, 893950, 1072740, 1129200, 1340925, 1430320, 1787900, 2145480, 2681850, 3575800, 4290960, 5363700, 7151600, 10727400, 21454800]

約数ペア:

[(1, 21454800), (2, 10727400), (3, 7151600), (4, 5363700), (5, 4290960), (6, 3575800), (8, 2681850), (10, 2145480), (12, 1787900), (15, 1430320), (16, 1340925), (19, 1129200), (20, 1072740), (24, 893950), (25, 858192), (30, 715160), (38, 564600), (40, 536370), (48, 446975), (50, 429096), (57, 376400), (60, 357580), (75, 286064), (76, 282300), (80, 268185), (95, 225840), (100, 214548), (114, 188200), (120, 178790), (150, 143032), (152, 141150), (190, 112920), (200, 107274), (228, 94100), (240, 89395), (285, 75280), (300, 71516), (304, 70575), (380, 56460), (400, 53637), (456, 47050), (475, 45168), (570, 37640), (600, 35758), (760, 28230), (912, 23525), (941, 22800), (950, 22584), (1140, 18820), (1200, 17879), (1425, 15056), (1520, 14115), (1882, 11400), (1900, 11292), (2280, 9410), (2823, 7600), (2850, 7528), (3764, 5700), (3800, 5646), (4560, 4705)]