21831810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 70447104

約数和(自身を除く): 48615294

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 231, 273, 286, 330, 385, 390, 429, 455, 462, 546, 715, 727, 770, 858, 910, 1001, 1155, 1365, 1430, 1454, 2002, 2145, 2181, 2310, 2730, 3003, 3635, 4290, 4362, 5005, 5089, 6006, 7270, 7997, 9451, 10010, 10178, 10905, 15015, 15267, 15994, 18902, 21810, 23991, 25445, 28353, 30030, 30534, 39985, 47255, 47982, 50890, 55979, 56706, 66157, 76335, 79970, 94510, 103961, 111958, 119955, 132314, 141765, 152670, 167937, 198471, 207922, 239910, 279895, 283530, 311883, 330785, 335874, 396942, 519805, 559790, 623766, 661570, 727727, 839685, 992355, 1039610, 1455454, 1559415, 1679370, 1984710, 2183181, 3118830, 3638635, 4366362, 7277270, 10915905, 21831810]

約数ペア:

[(1, 21831810), (2, 10915905), (3, 7277270), (5, 4366362), (6, 3638635), (7, 3118830), (10, 2183181), (11, 1984710), (13, 1679370), (14, 1559415), (15, 1455454), (21, 1039610), (22, 992355), (26, 839685), (30, 727727), (33, 661570), (35, 623766), (39, 559790), (42, 519805), (55, 396942), (65, 335874), (66, 330785), (70, 311883), (77, 283530), (78, 279895), (91, 239910), (105, 207922), (110, 198471), (130, 167937), (143, 152670), (154, 141765), (165, 132314), (182, 119955), (195, 111958), (210, 103961), (231, 94510), (273, 79970), (286, 76335), (330, 66157), (385, 56706), (390, 55979), (429, 50890), (455, 47982), (462, 47255), (546, 39985), (715, 30534), (727, 30030), (770, 28353), (858, 25445), (910, 23991), (1001, 21810), (1155, 18902), (1365, 15994), (1430, 15267), (1454, 15015), (2002, 10905), (2145, 10178), (2181, 10010), (2310, 9451), (2730, 7997), (3003, 7270), (3635, 6006), (4290, 5089), (4362, 5005)]