21097770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 52859520

約数和(自身を除く): 31761750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 83, 111, 166, 185, 222, 229, 249, 370, 415, 458, 498, 555, 687, 830, 1110, 1145, 1245, 1374, 2290, 2490, 3071, 3435, 6142, 6870, 8473, 9213, 15355, 16946, 18426, 19007, 25419, 30710, 38014, 42365, 46065, 50838, 57021, 84730, 92130, 95035, 114042, 127095, 190070, 254190, 285105, 570210, 703259, 1406518, 2109777, 3516295, 4219554, 7032590, 10548885, 21097770]

約数ペア:

[(1, 21097770), (2, 10548885), (3, 7032590), (5, 4219554), (6, 3516295), (10, 2109777), (15, 1406518), (30, 703259), (37, 570210), (74, 285105), (83, 254190), (111, 190070), (166, 127095), (185, 114042), (222, 95035), (229, 92130), (249, 84730), (370, 57021), (415, 50838), (458, 46065), (498, 42365), (555, 38014), (687, 30710), (830, 25419), (1110, 19007), (1145, 18426), (1245, 16946), (1374, 15355), (2290, 9213), (2490, 8473), (3071, 6870), (3435, 6142)]