2121139860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{265807}}^1$

素因数の和:265845

約数の個数: 96

約数和(自身を含む): 7144919040

約数和(自身を除く): 5023779180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 265807, 531614, 797421, 1063228, 1329035, 1594842, 1860649, 2658070, 3189684, 3721298, 3987105, 5050333, 5316140, 5581947, 7442596, 7974210, 9303245, 10100666, 11163894, 15150999, 15948420, 18606490, 20201332, 22327788, 25251665, 27909735, 30301998, 35352331, 37212980, 50503330, 55819470, 60603996, 70704662, 75754995, 101006660, 106056993, 111638940, 141409324, 151509990, 176761655, 212113986, 303019980, 353523310, 424227972, 530284965, 707046620, 1060569930, 2121139860]

約数ペア:

[(1, 2121139860), (2, 1060569930), (3, 707046620), (4, 530284965), (5, 424227972), (6, 353523310), (7, 303019980), (10, 212113986), (12, 176761655), (14, 151509990), (15, 141409324), (19, 111638940), (20, 106056993), (21, 101006660), (28, 75754995), (30, 70704662), (35, 60603996), (38, 55819470), (42, 50503330), (57, 37212980), (60, 35352331), (70, 30301998), (76, 27909735), (84, 25251665), (95, 22327788), (105, 20201332), (114, 18606490), (133, 15948420), (140, 15150999), (190, 11163894), (210, 10100666), (228, 9303245), (266, 7974210), (285, 7442596), (380, 5581947), (399, 5316140), (420, 5050333), (532, 3987105), (570, 3721298), (665, 3189684), (798, 2658070), (1140, 1860649), (1330, 1594842), (1596, 1329035), (1995, 1063228), (2660, 797421), (3990, 531614), (7980, 265807)]