21291363960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{59281}}^1$

素因数の和:59409

約数の個数: 128

約数和(自身を含む): 66329444160

約数和(自身を除く): 45038080200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 73, 82, 120, 123, 146, 164, 205, 219, 246, 292, 328, 365, 410, 438, 492, 584, 615, 730, 820, 876, 984, 1095, 1230, 1460, 1640, 1752, 2190, 2460, 2920, 2993, 4380, 4920, 5986, 8760, 8979, 11972, 14965, 17958, 23944, 29930, 35916, 44895, 59281, 59860, 71832, 89790, 118562, 119720, 177843, 179580, 237124, 296405, 355686, 359160, 474248, 592810, 711372, 889215, 1185620, 1422744, 1778430, 2371240, 2430521, 3556860, 4327513, 4861042, 7113720, 7291563, 8655026, 9722084, 12152605, 12982539, 14583126, 17310052, 19444168, 21637565, 24305210, 25965078, 29166252, 34620104, 36457815, 43275130, 48610420, 51930156, 58332504, 64912695, 72915630, 86550260, 97220840, 103860312, 129825390, 145831260, 173100520, 177428033, 259650780, 291662520, 354856066, 519301560, 532284099, 709712132, 887140165, 1064568198, 1419424264, 1774280330, 2129136396, 2661420495, 3548560660, 4258272792, 5322840990, 7097121320, 10645681980, 21291363960]

約数ペア:

[(1, 21291363960), (2, 10645681980), (3, 7097121320), (4, 5322840990), (5, 4258272792), (6, 3548560660), (8, 2661420495), (10, 2129136396), (12, 1774280330), (15, 1419424264), (20, 1064568198), (24, 887140165), (30, 709712132), (40, 532284099), (41, 519301560), (60, 354856066), (73, 291662520), (82, 259650780), (120, 177428033), (123, 173100520), (146, 145831260), (164, 129825390), (205, 103860312), (219, 97220840), (246, 86550260), (292, 72915630), (328, 64912695), (365, 58332504), (410, 51930156), (438, 48610420), (492, 43275130), (584, 36457815), (615, 34620104), (730, 29166252), (820, 25965078), (876, 24305210), (984, 21637565), (1095, 19444168), (1230, 17310052), (1460, 14583126), (1640, 12982539), (1752, 12152605), (2190, 9722084), (2460, 8655026), (2920, 7291563), (2993, 7113720), (4380, 4861042), (4920, 4327513), (5986, 3556860), (8760, 2430521), (8979, 2371240), (11972, 1778430), (14965, 1422744), (17958, 1185620), (23944, 889215), (29930, 711372), (35916, 592810), (44895, 474248), (59281, 359160), (59860, 355686), (71832, 296405), (89790, 237124), (118562, 179580), (119720, 177843)]