21872565

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 46475520

約数和(自身を除く): 24602955

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 103, 117, 121, 135, 143, 165, 195, 297, 309, 351, 363, 429, 495, 515, 585, 605, 715, 927, 1089, 1133, 1287, 1339, 1485, 1545, 1573, 1755, 1815, 2145, 2781, 3267, 3399, 3861, 4017, 4635, 4719, 5445, 5665, 6435, 6695, 7865, 10197, 12051, 12463, 13905, 14157, 14729, 16335, 16995, 19305, 20085, 23595, 30591, 36153, 37389, 42471, 44187, 50985, 60255, 62315, 70785, 73645, 112167, 132561, 152955, 162019, 180765, 186945, 212355, 220935, 336501, 397683, 486057, 560835, 662805, 810095, 1458171, 1682505, 1988415, 2430285, 4374513, 7290855, 21872565]

約数ペア:

[(1, 21872565), (3, 7290855), (5, 4374513), (9, 2430285), (11, 1988415), (13, 1682505), (15, 1458171), (27, 810095), (33, 662805), (39, 560835), (45, 486057), (55, 397683), (65, 336501), (99, 220935), (103, 212355), (117, 186945), (121, 180765), (135, 162019), (143, 152955), (165, 132561), (195, 112167), (297, 73645), (309, 70785), (351, 62315), (363, 60255), (429, 50985), (495, 44187), (515, 42471), (585, 37389), (605, 36153), (715, 30591), (927, 23595), (1089, 20085), (1133, 19305), (1287, 16995), (1339, 16335), (1485, 14729), (1545, 14157), (1573, 13905), (1755, 12463), (1815, 12051), (2145, 10197), (2781, 7865), (3267, 6695), (3399, 6435), (3861, 5665), (4017, 5445), (4635, 4719)]