21000724710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2127733}}^1$

素因数の和:2127797

約数の個数: 64

約数和(自身を含む): 58827589632

約数和(自身を除く): 37826864922

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 3290, 4935, 9870, 2127733, 4255466, 6383199, 10638665, 12766398, 14894131, 21277330, 29788262, 31915995, 44682393, 63831990, 74470655, 89364786, 100003451, 148941310, 200006902, 223411965, 300010353, 446823930, 500017255, 600020706, 700024157, 1000034510, 1400048314, 1500051765, 2100072471, 3000103530, 3500120785, 4200144942, 7000241570, 10500362355, 21000724710]

約数ペア:

[(1, 21000724710), (2, 10500362355), (3, 7000241570), (5, 4200144942), (6, 3500120785), (7, 3000103530), (10, 2100072471), (14, 1500051765), (15, 1400048314), (21, 1000034510), (30, 700024157), (35, 600020706), (42, 500017255), (47, 446823930), (70, 300010353), (94, 223411965), (105, 200006902), (141, 148941310), (210, 100003451), (235, 89364786), (282, 74470655), (329, 63831990), (470, 44682393), (658, 31915995), (705, 29788262), (987, 21277330), (1410, 14894131), (1645, 12766398), (1974, 10638665), (3290, 6383199), (4935, 4255466), (9870, 2127733)]