21456132368

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{2459}}^1\times {\mathrm{4507}}^1$

素因数の和:6996

約数の個数: 60

約数和(自身を含む): 45722750640

約数和(自身を除く): 24266618272

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 2459, 4507, 4918, 9014, 9836, 18028, 19672, 27049, 36056, 39344, 49577, 54098, 72112, 99154, 108196, 198308, 216392, 297539, 396616, 432784, 545347, 595078, 793232, 1090694, 1190156, 2181388, 2380312, 4362776, 4760624, 8725552, 11082713, 22165426, 44330852, 88661704, 121909843, 177323408, 243819686, 487639372, 975278744, 1341008273, 1950557488, 2682016546, 5364033092, 10728066184, 21456132368]

約数ペア:

[(1, 21456132368), (2, 10728066184), (4, 5364033092), (8, 2682016546), (11, 1950557488), (16, 1341008273), (22, 975278744), (44, 487639372), (88, 243819686), (121, 177323408), (176, 121909843), (242, 88661704), (484, 44330852), (968, 22165426), (1936, 11082713), (2459, 8725552), (4507, 4760624), (4918, 4362776), (9014, 2380312), (9836, 2181388), (18028, 1190156), (19672, 1090694), (27049, 793232), (36056, 595078), (39344, 545347), (49577, 432784), (54098, 396616), (72112, 297539), (99154, 216392), (108196, 198308)]