21903888

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{1579}}^1$

素因数の和:1624

約数の個数: 60

約数和(自身を含む): 60147440

約数和(自身を除く): 38243552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 289, 408, 578, 816, 867, 1156, 1579, 1734, 2312, 3158, 3468, 4624, 4737, 6316, 6936, 9474, 12632, 13872, 18948, 25264, 26843, 37896, 53686, 75792, 80529, 107372, 161058, 214744, 322116, 429488, 456331, 644232, 912662, 1288464, 1368993, 1825324, 2737986, 3650648, 5475972, 7301296, 10951944, 21903888]

約数ペア:

[(1, 21903888), (2, 10951944), (3, 7301296), (4, 5475972), (6, 3650648), (8, 2737986), (12, 1825324), (16, 1368993), (17, 1288464), (24, 912662), (34, 644232), (48, 456331), (51, 429488), (68, 322116), (102, 214744), (136, 161058), (204, 107372), (272, 80529), (289, 75792), (408, 53686), (578, 37896), (816, 26843), (867, 25264), (1156, 18948), (1579, 13872), (1734, 12632), (2312, 9474), (3158, 6936), (3468, 6316), (4624, 4737)]