21661830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:635

約数の個数: 80

約数和(自身を含む): 59590080

約数和(自身を除く): 37928250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 235, 270, 282, 405, 423, 470, 569, 705, 810, 846, 1138, 1269, 1410, 1707, 2115, 2538, 2845, 3414, 3807, 4230, 5121, 5690, 6345, 7614, 8535, 10242, 12690, 15363, 17070, 19035, 25605, 26743, 30726, 38070, 46089, 51210, 53486, 76815, 80229, 92178, 133715, 153630, 160458, 230445, 240687, 267430, 401145, 460890, 481374, 722061, 802290, 1203435, 1444122, 2166183, 2406870, 3610305, 4332366, 7220610, 10830915, 21661830]

約数ペア:

[(1, 21661830), (2, 10830915), (3, 7220610), (5, 4332366), (6, 3610305), (9, 2406870), (10, 2166183), (15, 1444122), (18, 1203435), (27, 802290), (30, 722061), (45, 481374), (47, 460890), (54, 401145), (81, 267430), (90, 240687), (94, 230445), (135, 160458), (141, 153630), (162, 133715), (235, 92178), (270, 80229), (282, 76815), (405, 53486), (423, 51210), (470, 46089), (569, 38070), (705, 30726), (810, 26743), (846, 25605), (1138, 19035), (1269, 17070), (1410, 15363), (1707, 12690), (2115, 10242), (2538, 8535), (2845, 7614), (3414, 6345), (3807, 5690), (4230, 5121)]