21983328

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{2063}}^1$

素因数の和:2116

約数の個数: 72

約数和(自身を含む): 64235808

約数和(自身を除く): 42252480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2063, 2664, 3552, 4126, 5328, 6189, 8252, 10656, 12378, 16504, 18567, 24756, 33008, 37134, 49512, 66016, 74268, 76331, 99024, 148536, 152662, 198048, 228993, 297072, 305324, 457986, 594144, 610648, 686979, 915972, 1221296, 1373958, 1831944, 2442592, 2747916, 3663888, 5495832, 7327776, 10991664, 21983328]

約数ペア:

[(1, 21983328), (2, 10991664), (3, 7327776), (4, 5495832), (6, 3663888), (8, 2747916), (9, 2442592), (12, 1831944), (16, 1373958), (18, 1221296), (24, 915972), (32, 686979), (36, 610648), (37, 594144), (48, 457986), (72, 305324), (74, 297072), (96, 228993), (111, 198048), (144, 152662), (148, 148536), (222, 99024), (288, 76331), (296, 74268), (333, 66016), (444, 49512), (592, 37134), (666, 33008), (888, 24756), (1184, 18567), (1332, 16504), (1776, 12378), (2063, 10656), (2664, 8252), (3552, 6189), (4126, 5328)]