21532140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 77995008

約数和(自身を除く): 56462868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 743, 805, 828, 966, 1035, 1260, 1380, 1449, 1486, 1610, 1932, 2070, 2229, 2415, 2898, 2972, 3220, 3715, 4140, 4458, 4830, 5201, 5796, 6687, 7245, 7430, 8916, 9660, 10402, 11145, 13374, 14490, 14860, 15603, 17089, 20804, 22290, 26005, 26748, 28980, 31206, 33435, 34178, 44580, 46809, 51267, 52010, 62412, 66870, 68356, 78015, 85445, 93618, 102534, 104020, 119623, 133740, 153801, 156030, 170890, 187236, 205068, 234045, 239246, 256335, 307602, 312060, 341780, 358869, 468090, 478492, 512670, 598115, 615204, 717738, 769005, 936180, 1025340, 1076607, 1196230, 1435476, 1538010, 1794345, 2153214, 2392460, 3076020, 3588690, 4306428, 5383035, 7177380, 10766070, 21532140]

約数ペア:

[(1, 21532140), (2, 10766070), (3, 7177380), (4, 5383035), (5, 4306428), (6, 3588690), (7, 3076020), (9, 2392460), (10, 2153214), (12, 1794345), (14, 1538010), (15, 1435476), (18, 1196230), (20, 1076607), (21, 1025340), (23, 936180), (28, 769005), (30, 717738), (35, 615204), (36, 598115), (42, 512670), (45, 478492), (46, 468090), (60, 358869), (63, 341780), (69, 312060), (70, 307602), (84, 256335), (90, 239246), (92, 234045), (105, 205068), (115, 187236), (126, 170890), (138, 156030), (140, 153801), (161, 133740), (180, 119623), (207, 104020), (210, 102534), (230, 93618), (252, 85445), (276, 78015), (315, 68356), (322, 66870), (345, 62412), (414, 52010), (420, 51267), (460, 46809), (483, 44580), (630, 34178), (644, 33435), (690, 31206), (743, 28980), (805, 26748), (828, 26005), (966, 22290), (1035, 20804), (1260, 17089), (1380, 15603), (1449, 14860), (1486, 14490), (1610, 13374), (1932, 11145), (2070, 10402), (2229, 9660), (2415, 8916), (2898, 7430), (2972, 7245), (3220, 6687), (3715, 5796), (4140, 5201), (4458, 4830)]