21542688

素因数分解:

$2^5\times 3^2\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:718

約数の個数: 72

約数和(自身を含む): 61837776

約数和(自身を除く): 40295088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 131, 144, 262, 288, 393, 524, 571, 786, 1048, 1142, 1179, 1572, 1713, 2096, 2284, 2358, 3144, 3426, 4192, 4568, 4716, 5139, 6288, 6852, 9136, 9432, 10278, 12576, 13704, 18272, 18864, 20556, 27408, 37728, 41112, 54816, 74801, 82224, 149602, 164448, 224403, 299204, 448806, 598408, 673209, 897612, 1196816, 1346418, 1795224, 2393632, 2692836, 3590448, 5385672, 7180896, 10771344, 21542688]

約数ペア:

[(1, 21542688), (2, 10771344), (3, 7180896), (4, 5385672), (6, 3590448), (8, 2692836), (9, 2393632), (12, 1795224), (16, 1346418), (18, 1196816), (24, 897612), (32, 673209), (36, 598408), (48, 448806), (72, 299204), (96, 224403), (131, 164448), (144, 149602), (262, 82224), (288, 74801), (393, 54816), (524, 41112), (571, 37728), (786, 27408), (1048, 20556), (1142, 18864), (1179, 18272), (1572, 13704), (1713, 12576), (2096, 10278), (2284, 9432), (2358, 9136), (3144, 6852), (3426, 6288), (4192, 5139), (4568, 4716)]