21345048

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3331}}^1$

素因数の和:3432

約数の個数: 48

約数和(自身を含む): 58476600

約数和(自身を除く): 37131552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3204, 3331, 6408, 6662, 9993, 13324, 19986, 26648, 29979, 39972, 59958, 79944, 119916, 239832, 296459, 592918, 889377, 1185836, 1778754, 2371672, 2668131, 3557508, 5336262, 7115016, 10672524, 21345048]

約数ペア:

[(1, 21345048), (2, 10672524), (3, 7115016), (4, 5336262), (6, 3557508), (8, 2668131), (9, 2371672), (12, 1778754), (18, 1185836), (24, 889377), (36, 592918), (72, 296459), (89, 239832), (178, 119916), (267, 79944), (356, 59958), (534, 39972), (712, 29979), (801, 26648), (1068, 19986), (1602, 13324), (2136, 9993), (3204, 6662), (3331, 6408)]