21645360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:944

約数の個数: 160

約数和(自身を含む): 81423360

約数和(自身を除く): 59778000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 911, 990, 1080, 1188, 1320, 1485, 1584, 1822, 1980, 2160, 2376, 2640, 2733, 2970, 3644, 3960, 4555, 4752, 5466, 5940, 7288, 7920, 8199, 9110, 10021, 10932, 11880, 13665, 14576, 16398, 18220, 20042, 21864, 23760, 24597, 27330, 30063, 32796, 36440, 40084, 40995, 43728, 49194, 50105, 54660, 60126, 65592, 72880, 80168, 81990, 90189, 98388, 100210, 109320, 120252, 122985, 131184, 150315, 160336, 163980, 180378, 196776, 200420, 218640, 240504, 245970, 270567, 300630, 327960, 360756, 393552, 400840, 450945, 481008, 491940, 541134, 601260, 655920, 721512, 801680, 901890, 983880, 1082268, 1202520, 1352835, 1443024, 1803780, 1967760, 2164536, 2405040, 2705670, 3607560, 4329072, 5411340, 7215120, 10822680, 21645360]

約数ペア:

[(1, 21645360), (2, 10822680), (3, 7215120), (4, 5411340), (5, 4329072), (6, 3607560), (8, 2705670), (9, 2405040), (10, 2164536), (11, 1967760), (12, 1803780), (15, 1443024), (16, 1352835), (18, 1202520), (20, 1082268), (22, 983880), (24, 901890), (27, 801680), (30, 721512), (33, 655920), (36, 601260), (40, 541134), (44, 491940), (45, 481008), (48, 450945), (54, 400840), (55, 393552), (60, 360756), (66, 327960), (72, 300630), (80, 270567), (88, 245970), (90, 240504), (99, 218640), (108, 200420), (110, 196776), (120, 180378), (132, 163980), (135, 160336), (144, 150315), (165, 131184), (176, 122985), (180, 120252), (198, 109320), (216, 100210), (220, 98388), (240, 90189), (264, 81990), (270, 80168), (297, 72880), (330, 65592), (360, 60126), (396, 54660), (432, 50105), (440, 49194), (495, 43728), (528, 40995), (540, 40084), (594, 36440), (660, 32796), (720, 30063), (792, 27330), (880, 24597), (911, 23760), (990, 21864), (1080, 20042), (1188, 18220), (1320, 16398), (1485, 14576), (1584, 13665), (1822, 11880), (1980, 10932), (2160, 10021), (2376, 9110), (2640, 8199), (2733, 7920), (2970, 7288), (3644, 5940), (3960, 5466), (4555, 4752)]