21684510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1447

約数の個数: 80

約数和(自身を含む): 61419600

約数和(自身を除く): 39735090

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, 1409, 1539, 1710, 2565, 2818, 3078, 4227, 5130, 7045, 7695, 8454, 12681, 14090, 15390, 21135, 25362, 26771, 38043, 42270, 53542, 63405, 76086, 80313, 114129, 126810, 133855, 160626, 190215, 228258, 240939, 267710, 380430, 401565, 481878, 570645, 722817, 803130, 1141290, 1204695, 1445634, 2168451, 2409390, 3614085, 4336902, 7228170, 10842255, 21684510]

約数ペア:

[(1, 21684510), (2, 10842255), (3, 7228170), (5, 4336902), (6, 3614085), (9, 2409390), (10, 2168451), (15, 1445634), (18, 1204695), (19, 1141290), (27, 803130), (30, 722817), (38, 570645), (45, 481878), (54, 401565), (57, 380430), (81, 267710), (90, 240939), (95, 228258), (114, 190215), (135, 160626), (162, 133855), (171, 126810), (190, 114129), (270, 80313), (285, 76086), (342, 63405), (405, 53542), (513, 42270), (570, 38043), (810, 26771), (855, 25362), (1026, 21135), (1409, 15390), (1539, 14090), (1710, 12681), (2565, 8454), (2818, 7695), (3078, 7045), (4227, 5130)]