21684780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3089}}^1$

素因数の和:3120

約数の個数: 96

約数和(自身を含む): 72676800

約数和(自身を除く): 50992020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3089, 3510, 6178, 7020, 9267, 12356, 15445, 18534, 27801, 30890, 37068, 40157, 46335, 55602, 61780, 80314, 83403, 92670, 111204, 120471, 139005, 160628, 166806, 185340, 200785, 240942, 278010, 333612, 361413, 401570, 417015, 481884, 556020, 602355, 722826, 803140, 834030, 1084239, 1204710, 1445652, 1668060, 1807065, 2168478, 2409420, 3614130, 4336956, 5421195, 7228260, 10842390, 21684780]

約数ペア:

[(1, 21684780), (2, 10842390), (3, 7228260), (4, 5421195), (5, 4336956), (6, 3614130), (9, 2409420), (10, 2168478), (12, 1807065), (13, 1668060), (15, 1445652), (18, 1204710), (20, 1084239), (26, 834030), (27, 803140), (30, 722826), (36, 602355), (39, 556020), (45, 481884), (52, 417015), (54, 401570), (60, 361413), (65, 333612), (78, 278010), (90, 240942), (108, 200785), (117, 185340), (130, 166806), (135, 160628), (156, 139005), (180, 120471), (195, 111204), (234, 92670), (260, 83403), (270, 80314), (351, 61780), (390, 55602), (468, 46335), (540, 40157), (585, 37068), (702, 30890), (780, 27801), (1170, 18534), (1404, 15445), (1755, 12356), (2340, 9267), (3089, 7020), (3510, 6178)]