21241036790

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2647}}^1\times {\mathrm{4483}}^1$

素因数の和:7316

約数の個数: 32

約数和(自身を含む): 38470567680

約数和(自身を除く): 17229530890

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 2647, 4483, 5294, 8966, 13235, 22415, 26470, 44830, 473813, 802457, 947626, 1604914, 2369065, 4012285, 4738130, 8024570, 11866501, 23733002, 59332505, 118665010, 2124103679, 4248207358, 10620518395, 21241036790]

約数ペア:

[(1, 21241036790), (2, 10620518395), (5, 4248207358), (10, 2124103679), (179, 118665010), (358, 59332505), (895, 23733002), (1790, 11866501), (2647, 8024570), (4483, 4738130), (5294, 4012285), (8966, 2369065), (13235, 1604914), (22415, 947626), (26470, 802457), (44830, 473813)]