21397600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3821}}^1$

素因数の和:3848

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 38317328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3821, 5600, 7642, 15284, 19105, 26747, 30568, 38210, 53494, 61136, 76420, 95525, 106988, 122272, 133735, 152840, 191050, 213976, 267470, 305680, 382100, 427952, 534940, 611360, 668675, 764200, 855904, 1069880, 1337350, 1528400, 2139760, 2674700, 3056800, 4279520, 5349400, 10698800, 21397600]

約数ペア:

[(1, 21397600), (2, 10698800), (4, 5349400), (5, 4279520), (7, 3056800), (8, 2674700), (10, 2139760), (14, 1528400), (16, 1337350), (20, 1069880), (25, 855904), (28, 764200), (32, 668675), (35, 611360), (40, 534940), (50, 427952), (56, 382100), (70, 305680), (80, 267470), (100, 213976), (112, 191050), (140, 152840), (160, 133735), (175, 122272), (200, 106988), (224, 95525), (280, 76420), (350, 61136), (400, 53494), (560, 38210), (700, 30568), (800, 26747), (1120, 19105), (1400, 15284), (2800, 7642), (3821, 5600)]