21935040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 112

約数和(自身を含む): 70823328

約数和(自身を除く): 48888288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 313, 320, 365, 438, 480, 584, 626, 730, 876, 939, 960, 1095, 1168, 1252, 1460, 1565, 1752, 1878, 2190, 2336, 2504, 2920, 3130, 3504, 3756, 4380, 4672, 4695, 5008, 5840, 6260, 7008, 7512, 8760, 9390, 10016, 11680, 12520, 14016, 15024, 17520, 18780, 20032, 22849, 23360, 25040, 30048, 35040, 37560, 45698, 50080, 60096, 68547, 70080, 75120, 91396, 100160, 114245, 137094, 150240, 182792, 228490, 274188, 300480, 342735, 365584, 456980, 548376, 685470, 731168, 913960, 1096752, 1370940, 1462336, 1827920, 2193504, 2741880, 3655840, 4387008, 5483760, 7311680, 10967520, 21935040]

約数ペア:

[(1, 21935040), (2, 10967520), (3, 7311680), (4, 5483760), (5, 4387008), (6, 3655840), (8, 2741880), (10, 2193504), (12, 1827920), (15, 1462336), (16, 1370940), (20, 1096752), (24, 913960), (30, 731168), (32, 685470), (40, 548376), (48, 456980), (60, 365584), (64, 342735), (73, 300480), (80, 274188), (96, 228490), (120, 182792), (146, 150240), (160, 137094), (192, 114245), (219, 100160), (240, 91396), (292, 75120), (313, 70080), (320, 68547), (365, 60096), (438, 50080), (480, 45698), (584, 37560), (626, 35040), (730, 30048), (876, 25040), (939, 23360), (960, 22849), (1095, 20032), (1168, 18780), (1252, 17520), (1460, 15024), (1565, 14016), (1752, 12520), (1878, 11680), (2190, 10016), (2336, 9390), (2504, 8760), (2920, 7512), (3130, 7008), (3504, 6260), (3756, 5840), (4380, 5008), (4672, 4695)]