21202776

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 69312000

約数和(自身を除く): 48109224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 54, 56, 63, 72, 74, 84, 108, 111, 126, 148, 168, 189, 216, 222, 252, 259, 296, 333, 378, 379, 444, 504, 518, 666, 756, 758, 777, 888, 999, 1036, 1137, 1332, 1512, 1516, 1554, 1998, 2072, 2274, 2331, 2653, 2664, 3032, 3108, 3411, 3996, 4548, 4662, 5306, 6216, 6822, 6993, 7959, 7992, 9096, 9324, 10233, 10612, 13644, 13986, 14023, 15918, 18648, 20466, 21224, 23877, 27288, 27972, 28046, 31836, 40932, 42069, 47754, 55944, 56092, 63672, 71631, 81864, 84138, 95508, 98161, 112184, 126207, 143262, 168276, 191016, 196322, 252414, 286524, 294483, 336552, 378621, 392644, 504828, 573048, 588966, 757242, 785288, 883449, 1009656, 1177932, 1514484, 1766898, 2355864, 2650347, 3028968, 3533796, 5300694, 7067592, 10601388, 21202776]

約数ペア:

[(1, 21202776), (2, 10601388), (3, 7067592), (4, 5300694), (6, 3533796), (7, 3028968), (8, 2650347), (9, 2355864), (12, 1766898), (14, 1514484), (18, 1177932), (21, 1009656), (24, 883449), (27, 785288), (28, 757242), (36, 588966), (37, 573048), (42, 504828), (54, 392644), (56, 378621), (63, 336552), (72, 294483), (74, 286524), (84, 252414), (108, 196322), (111, 191016), (126, 168276), (148, 143262), (168, 126207), (189, 112184), (216, 98161), (222, 95508), (252, 84138), (259, 81864), (296, 71631), (333, 63672), (378, 56092), (379, 55944), (444, 47754), (504, 42069), (518, 40932), (666, 31836), (756, 28046), (758, 27972), (777, 27288), (888, 23877), (999, 21224), (1036, 20466), (1137, 18648), (1332, 15918), (1512, 14023), (1516, 13986), (1554, 13644), (1998, 10612), (2072, 10233), (2274, 9324), (2331, 9096), (2653, 7992), (2664, 7959), (3032, 6993), (3108, 6822), (3411, 6216), (3996, 5306), (4548, 4662)]