21864060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2168

約数の個数: 96

約数和(自身を含む): 71635200

約数和(自身を除く): 49771140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2131, 2565, 3420, 4262, 5130, 6393, 8524, 10260, 10655, 12786, 19179, 21310, 25572, 31965, 38358, 40489, 42620, 57537, 63930, 76716, 80978, 95895, 115074, 121467, 127860, 161956, 191790, 202445, 230148, 242934, 287685, 364401, 383580, 404890, 485868, 575370, 607335, 728802, 809780, 1093203, 1150740, 1214670, 1457604, 1822005, 2186406, 2429340, 3644010, 4372812, 5466015, 7288020, 10932030, 21864060]

約数ペア:

[(1, 21864060), (2, 10932030), (3, 7288020), (4, 5466015), (5, 4372812), (6, 3644010), (9, 2429340), (10, 2186406), (12, 1822005), (15, 1457604), (18, 1214670), (19, 1150740), (20, 1093203), (27, 809780), (30, 728802), (36, 607335), (38, 575370), (45, 485868), (54, 404890), (57, 383580), (60, 364401), (76, 287685), (90, 242934), (95, 230148), (108, 202445), (114, 191790), (135, 161956), (171, 127860), (180, 121467), (190, 115074), (228, 95895), (270, 80978), (285, 76716), (342, 63930), (380, 57537), (513, 42620), (540, 40489), (570, 38358), (684, 31965), (855, 25572), (1026, 21310), (1140, 19179), (1710, 12786), (2052, 10655), (2131, 10260), (2565, 8524), (3420, 6393), (4262, 5130)]