21796020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 68490240

約数和(自身を除く): 46694220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 223, 270, 362, 446, 540, 543, 669, 724, 892, 905, 1086, 1115, 1338, 1629, 1810, 2007, 2172, 2230, 2676, 2715, 3258, 3345, 3620, 4014, 4460, 4887, 5430, 6021, 6516, 6690, 8028, 8145, 9774, 10035, 10860, 12042, 13380, 16290, 19548, 20070, 24084, 24435, 30105, 32580, 40140, 40363, 48870, 60210, 80726, 97740, 120420, 121089, 161452, 201815, 242178, 363267, 403630, 484356, 605445, 726534, 807260, 1089801, 1210890, 1453068, 1816335, 2179602, 2421780, 3632670, 4359204, 5449005, 7265340, 10898010, 21796020]

約数ペア:

[(1, 21796020), (2, 10898010), (3, 7265340), (4, 5449005), (5, 4359204), (6, 3632670), (9, 2421780), (10, 2179602), (12, 1816335), (15, 1453068), (18, 1210890), (20, 1089801), (27, 807260), (30, 726534), (36, 605445), (45, 484356), (54, 403630), (60, 363267), (90, 242178), (108, 201815), (135, 161452), (180, 121089), (181, 120420), (223, 97740), (270, 80726), (362, 60210), (446, 48870), (540, 40363), (543, 40140), (669, 32580), (724, 30105), (892, 24435), (905, 24084), (1086, 20070), (1115, 19548), (1338, 16290), (1629, 13380), (1810, 12042), (2007, 10860), (2172, 10035), (2230, 9774), (2676, 8145), (2715, 8028), (3258, 6690), (3345, 6516), (3620, 6021), (4014, 5430), (4460, 4887)]