21319992

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 60821280

約数和(自身を除く): 39501288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 53, 72, 74, 106, 111, 148, 151, 159, 212, 222, 296, 302, 318, 333, 424, 444, 453, 477, 604, 636, 666, 888, 906, 954, 1208, 1272, 1332, 1359, 1812, 1908, 1961, 2664, 2718, 3624, 3816, 3922, 5436, 5587, 5883, 7844, 8003, 10872, 11174, 11766, 15688, 16006, 16761, 17649, 22348, 23532, 24009, 32012, 33522, 35298, 44696, 47064, 48018, 50283, 64024, 67044, 70596, 72027, 96036, 100566, 134088, 141192, 144054, 192072, 201132, 288108, 296111, 402264, 576216, 592222, 888333, 1184444, 1776666, 2368888, 2664999, 3553332, 5329998, 7106664, 10659996, 21319992]

約数ペア:

[(1, 21319992), (2, 10659996), (3, 7106664), (4, 5329998), (6, 3553332), (8, 2664999), (9, 2368888), (12, 1776666), (18, 1184444), (24, 888333), (36, 592222), (37, 576216), (53, 402264), (72, 296111), (74, 288108), (106, 201132), (111, 192072), (148, 144054), (151, 141192), (159, 134088), (212, 100566), (222, 96036), (296, 72027), (302, 70596), (318, 67044), (333, 64024), (424, 50283), (444, 48018), (453, 47064), (477, 44696), (604, 35298), (636, 33522), (666, 32012), (888, 24009), (906, 23532), (954, 22348), (1208, 17649), (1272, 16761), (1332, 16006), (1359, 15688), (1812, 11766), (1908, 11174), (1961, 10872), (2664, 8003), (2718, 7844), (3624, 5883), (3816, 5587), (3922, 5436)]