21530610

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1437

約数の個数: 80

約数和(自身を含む): 60984000

約数和(自身を除く): 39453390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1399, 1539, 1710, 2565, 2798, 3078, 4197, 5130, 6995, 7695, 8394, 12591, 13990, 15390, 20985, 25182, 26581, 37773, 41970, 53162, 62955, 75546, 79743, 113319, 125910, 132905, 159486, 188865, 226638, 239229, 265810, 377730, 398715, 478458, 566595, 717687, 797430, 1133190, 1196145, 1435374, 2153061, 2392290, 3588435, 4306122, 7176870, 10765305, 21530610]

約数ペア:

[(1, 21530610), (2, 10765305), (3, 7176870), (5, 4306122), (6, 3588435), (9, 2392290), (10, 2153061), (15, 1435374), (18, 1196145), (19, 1133190), (27, 797430), (30, 717687), (38, 566595), (45, 478458), (54, 398715), (57, 377730), (81, 265810), (90, 239229), (95, 226638), (114, 188865), (135, 159486), (162, 132905), (171, 125910), (190, 113319), (270, 79743), (285, 75546), (342, 62955), (405, 53162), (513, 41970), (570, 37773), (810, 26581), (855, 25182), (1026, 20985), (1399, 15390), (1539, 13990), (1710, 12591), (2565, 8394), (2798, 7695), (3078, 6995), (4197, 5130)]