21614216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 46252080

約数和(自身を除く): 24637864

約数列:

[1, 2, 4, 8, 13, 26, 37, 41, 52, 74, 82, 104, 137, 148, 164, 274, 296, 328, 481, 533, 548, 962, 1066, 1096, 1517, 1781, 1924, 2132, 3034, 3562, 3848, 4264, 5069, 5617, 6068, 7124, 10138, 11234, 12136, 14248, 19721, 20276, 22468, 39442, 40552, 44936, 65897, 73021, 78884, 131794, 146042, 157768, 207829, 263588, 292084, 415658, 527176, 584168, 831316, 1662632, 2701777, 5403554, 10807108, 21614216]

約数ペア:

[(1, 21614216), (2, 10807108), (4, 5403554), (8, 2701777), (13, 1662632), (26, 831316), (37, 584168), (41, 527176), (52, 415658), (74, 292084), (82, 263588), (104, 207829), (137, 157768), (148, 146042), (164, 131794), (274, 78884), (296, 73021), (328, 65897), (481, 44936), (533, 40552), (548, 39442), (962, 22468), (1066, 20276), (1096, 19721), (1517, 14248), (1781, 12136), (1924, 11234), (2132, 10138), (3034, 7124), (3562, 6068), (3848, 5617), (4264, 5069)]