21690241488

素因数分解:

$2^4\times 3^2\times {\mathrm{1087}}^1\times {\mathrm{138571}}^1$

素因数の和:139672

約数の個数: 60

約数和(自身を含む): 60758833408

約数和(自身を除く): 39068591920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1087, 2174, 3261, 4348, 6522, 8696, 9783, 13044, 17392, 19566, 26088, 39132, 52176, 78264, 138571, 156528, 277142, 415713, 554284, 831426, 1108568, 1247139, 1662852, 2217136, 2494278, 3325704, 4988556, 6651408, 9977112, 19954224, 150626677, 301253354, 451880031, 602506708, 903760062, 1205013416, 1355640093, 1807520124, 2410026832, 2711280186, 3615040248, 5422560372, 7230080496, 10845120744, 21690241488]

約数ペア:

[(1, 21690241488), (2, 10845120744), (3, 7230080496), (4, 5422560372), (6, 3615040248), (8, 2711280186), (9, 2410026832), (12, 1807520124), (16, 1355640093), (18, 1205013416), (24, 903760062), (36, 602506708), (48, 451880031), (72, 301253354), (144, 150626677), (1087, 19954224), (2174, 9977112), (3261, 6651408), (4348, 4988556), (6522, 3325704), (8696, 2494278), (9783, 2217136), (13044, 1662852), (17392, 1247139), (19566, 1108568), (26088, 831426), (39132, 554284), (52176, 415713), (78264, 277142), (138571, 156528)]