21417006

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 48799296

約数和(自身を除く): 27382290

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 41, 74, 78, 82, 111, 123, 181, 222, 246, 362, 481, 533, 543, 962, 1066, 1086, 1443, 1517, 1599, 2353, 2886, 3034, 3198, 4551, 4706, 6697, 7059, 7421, 9102, 13394, 14118, 14842, 19721, 20091, 22263, 39442, 40182, 44526, 59163, 87061, 96473, 118326, 174122, 192946, 261183, 274577, 289419, 522366, 549154, 578838, 823731, 1647462, 3569501, 7139002, 10708503, 21417006]

約数ペア:

[(1, 21417006), (2, 10708503), (3, 7139002), (6, 3569501), (13, 1647462), (26, 823731), (37, 578838), (39, 549154), (41, 522366), (74, 289419), (78, 274577), (82, 261183), (111, 192946), (123, 174122), (181, 118326), (222, 96473), (246, 87061), (362, 59163), (481, 44526), (533, 40182), (543, 39442), (962, 22263), (1066, 20091), (1086, 19721), (1443, 14842), (1517, 14118), (1599, 13394), (2353, 9102), (2886, 7421), (3034, 7059), (3198, 6697), (4551, 4706)]