21468660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 64253952

約数和(自身を除く): 42785292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 47, 60, 69, 92, 94, 115, 138, 141, 188, 230, 235, 276, 282, 331, 345, 460, 470, 564, 662, 690, 705, 940, 993, 1081, 1324, 1380, 1410, 1655, 1986, 2162, 2820, 3243, 3310, 3972, 4324, 4965, 5405, 6486, 6620, 7613, 9930, 10810, 12972, 15226, 15557, 16215, 19860, 21620, 22839, 30452, 31114, 32430, 38065, 45678, 46671, 62228, 64860, 76130, 77785, 91356, 93342, 114195, 152260, 155570, 186684, 228390, 233355, 311140, 357811, 456780, 466710, 715622, 933420, 1073433, 1431244, 1789055, 2146866, 3578110, 4293732, 5367165, 7156220, 10734330, 21468660]

約数ペア:

[(1, 21468660), (2, 10734330), (3, 7156220), (4, 5367165), (5, 4293732), (6, 3578110), (10, 2146866), (12, 1789055), (15, 1431244), (20, 1073433), (23, 933420), (30, 715622), (46, 466710), (47, 456780), (60, 357811), (69, 311140), (92, 233355), (94, 228390), (115, 186684), (138, 155570), (141, 152260), (188, 114195), (230, 93342), (235, 91356), (276, 77785), (282, 76130), (331, 64860), (345, 62228), (460, 46671), (470, 45678), (564, 38065), (662, 32430), (690, 31114), (705, 30452), (940, 22839), (993, 21620), (1081, 19860), (1324, 16215), (1380, 15557), (1410, 15226), (1655, 12972), (1986, 10810), (2162, 9930), (2820, 7613), (3243, 6620), (3310, 6486), (3972, 5405), (4324, 4965)]