21232320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1338

約数の個数: 112

約数和(自身を含む): 71432928

約数和(自身を除く): 50200608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1301, 1360, 1632, 2040, 2602, 2720, 3264, 3903, 4080, 5204, 5440, 6505, 7806, 8160, 10408, 13010, 15612, 16320, 19515, 20816, 22117, 26020, 31224, 39030, 41632, 44234, 52040, 62448, 66351, 78060, 83264, 88468, 104080, 110585, 124896, 132702, 156120, 176936, 208160, 221170, 249792, 265404, 312240, 331755, 353872, 416320, 442340, 530808, 624480, 663510, 707744, 884680, 1061616, 1248960, 1327020, 1415488, 1769360, 2123232, 2654040, 3538720, 4246464, 5308080, 7077440, 10616160, 21232320]

約数ペア:

[(1, 21232320), (2, 10616160), (3, 7077440), (4, 5308080), (5, 4246464), (6, 3538720), (8, 2654040), (10, 2123232), (12, 1769360), (15, 1415488), (16, 1327020), (17, 1248960), (20, 1061616), (24, 884680), (30, 707744), (32, 663510), (34, 624480), (40, 530808), (48, 442340), (51, 416320), (60, 353872), (64, 331755), (68, 312240), (80, 265404), (85, 249792), (96, 221170), (102, 208160), (120, 176936), (136, 156120), (160, 132702), (170, 124896), (192, 110585), (204, 104080), (240, 88468), (255, 83264), (272, 78060), (320, 66351), (340, 62448), (408, 52040), (480, 44234), (510, 41632), (544, 39030), (680, 31224), (816, 26020), (960, 22117), (1020, 20816), (1088, 19515), (1301, 16320), (1360, 15612), (1632, 13010), (2040, 10408), (2602, 8160), (2720, 7806), (3264, 6505), (3903, 5440), (4080, 5204)]