21079422

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:802

約数の個数: 96

約数和(自身を含む): 59596992

約数和(自身を除く): 38517570

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 78, 91, 102, 117, 119, 126, 153, 182, 221, 234, 238, 273, 306, 357, 442, 546, 663, 714, 757, 819, 1071, 1326, 1514, 1547, 1638, 1989, 2142, 2271, 3094, 3978, 4542, 4641, 5299, 6813, 9282, 9841, 10598, 12869, 13626, 13923, 15897, 19682, 25738, 27846, 29523, 31794, 38607, 47691, 59046, 68887, 77214, 88569, 90083, 95382, 115821, 137774, 167297, 177138, 180166, 206661, 231642, 270249, 334594, 413322, 501891, 540498, 619983, 810747, 1003782, 1171079, 1239966, 1505673, 1621494, 2342158, 3011346, 3513237, 7026474, 10539711, 21079422]

約数ペア:

[(1, 21079422), (2, 10539711), (3, 7026474), (6, 3513237), (7, 3011346), (9, 2342158), (13, 1621494), (14, 1505673), (17, 1239966), (18, 1171079), (21, 1003782), (26, 810747), (34, 619983), (39, 540498), (42, 501891), (51, 413322), (63, 334594), (78, 270249), (91, 231642), (102, 206661), (117, 180166), (119, 177138), (126, 167297), (153, 137774), (182, 115821), (221, 95382), (234, 90083), (238, 88569), (273, 77214), (306, 68887), (357, 59046), (442, 47691), (546, 38607), (663, 31794), (714, 29523), (757, 27846), (819, 25738), (1071, 19682), (1326, 15897), (1514, 13923), (1547, 13626), (1638, 12869), (1989, 10598), (2142, 9841), (2271, 9282), (3094, 6813), (3978, 5299), (4542, 4641)]