21715690695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{37489}}^1$

素因数の和:37616

約数の個数: 48

約数和(自身を含む): 36819978720

約数和(自身を除く): 15104288025

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 529, 1095, 1587, 1679, 2645, 5037, 7935, 8395, 25185, 37489, 38617, 112467, 115851, 187445, 193085, 562335, 579255, 862247, 2586741, 2736697, 4311235, 8210091, 12933705, 13683485, 19831681, 41050455, 59495043, 62944031, 99158405, 188832093, 297475215, 314720155, 944160465, 1447712713, 4343138139, 7238563565, 21715690695]

約数ペア:

[(1, 21715690695), (3, 7238563565), (5, 4343138139), (15, 1447712713), (23, 944160465), (69, 314720155), (73, 297475215), (115, 188832093), (219, 99158405), (345, 62944031), (365, 59495043), (529, 41050455), (1095, 19831681), (1587, 13683485), (1679, 12933705), (2645, 8210091), (5037, 4311235), (7935, 2736697), (8395, 2586741), (25185, 862247), (37489, 579255), (38617, 562335), (112467, 193085), (115851, 187445)]