2021154590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{4451}}^1$

素因数の和:4977

約数の個数: 64

約数和(自身を含む): 4487616000

約数和(自身を除く): 2466461410

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 499, 910, 998, 2495, 3493, 4451, 4990, 6487, 6986, 8902, 12974, 17465, 22255, 31157, 32435, 34930, 44510, 45409, 57863, 62314, 64870, 90818, 115726, 155785, 227045, 289315, 311570, 405041, 454090, 578630, 810082, 2025205, 2221049, 4050410, 4442098, 11105245, 15547343, 22210490, 28873637, 31094686, 57747274, 77736715, 144368185, 155473430, 202115459, 288736370, 404230918, 1010577295, 2021154590]

約数ペア:

[(1, 2021154590), (2, 1010577295), (5, 404230918), (7, 288736370), (10, 202115459), (13, 155473430), (14, 144368185), (26, 77736715), (35, 57747274), (65, 31094686), (70, 28873637), (91, 22210490), (130, 15547343), (182, 11105245), (455, 4442098), (499, 4050410), (910, 2221049), (998, 2025205), (2495, 810082), (3493, 578630), (4451, 454090), (4990, 405041), (6487, 311570), (6986, 289315), (8902, 227045), (12974, 155785), (17465, 115726), (22255, 90818), (31157, 64870), (32435, 62314), (34930, 57863), (44510, 45409)]