21102060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1135

約数の個数: 96

約数和(自身を含む): 69027840

約数和(自身を除く): 47925780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1069, 1316, 1410, 1645, 1974, 2138, 2820, 3207, 3290, 3948, 4276, 4935, 5345, 6414, 6580, 7483, 9870, 10690, 12828, 14966, 16035, 19740, 21380, 22449, 29932, 32070, 37415, 44898, 50243, 64140, 74830, 89796, 100486, 112245, 149660, 150729, 200972, 224490, 251215, 301458, 351701, 448980, 502430, 602916, 703402, 753645, 1004860, 1055103, 1406804, 1507290, 1758505, 2110206, 3014580, 3517010, 4220412, 5275515, 7034020, 10551030, 21102060]

約数ペア:

[(1, 21102060), (2, 10551030), (3, 7034020), (4, 5275515), (5, 4220412), (6, 3517010), (7, 3014580), (10, 2110206), (12, 1758505), (14, 1507290), (15, 1406804), (20, 1055103), (21, 1004860), (28, 753645), (30, 703402), (35, 602916), (42, 502430), (47, 448980), (60, 351701), (70, 301458), (84, 251215), (94, 224490), (105, 200972), (140, 150729), (141, 149660), (188, 112245), (210, 100486), (235, 89796), (282, 74830), (329, 64140), (420, 50243), (470, 44898), (564, 37415), (658, 32070), (705, 29932), (940, 22449), (987, 21380), (1069, 19740), (1316, 16035), (1410, 14966), (1645, 12828), (1974, 10690), (2138, 9870), (2820, 7483), (3207, 6580), (3290, 6414), (3948, 5345), (4276, 4935)]