21999608974

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{11959}}^1$

素因数の和:12217

約数の個数: 64

約数和(自身を含む): 40920422400

約数和(自身を除く): 18920813426

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 197, 203, 322, 394, 406, 667, 1334, 1379, 2758, 4531, 4669, 5713, 9062, 9338, 11426, 11959, 23918, 31717, 39991, 63434, 79982, 83713, 131399, 167426, 262798, 275057, 346811, 550114, 693622, 919793, 1839586, 1925399, 2355923, 2427677, 3850798, 4711846, 4855354, 7976653, 15953306, 16491461, 32982922, 54186229, 55836571, 68321767, 108372458, 111673142, 136643534, 379303603, 478252369, 758607206, 956504738, 1571400641, 3142801282, 10999804487, 21999608974]

約数ペア:

[(1, 21999608974), (2, 10999804487), (7, 3142801282), (14, 1571400641), (23, 956504738), (29, 758607206), (46, 478252369), (58, 379303603), (161, 136643534), (197, 111673142), (203, 108372458), (322, 68321767), (394, 55836571), (406, 54186229), (667, 32982922), (1334, 16491461), (1379, 15953306), (2758, 7976653), (4531, 4855354), (4669, 4711846), (5713, 3850798), (9062, 2427677), (9338, 2355923), (11426, 1925399), (11959, 1839586), (23918, 919793), (31717, 693622), (39991, 550114), (63434, 346811), (79982, 275057), (83713, 262798), (131399, 167426)]