21065376

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11549}}^1$

素因数の和:11581

約数の個数: 48

約数和(自身を含む): 58212000

約数和(自身を除く): 37146624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11549, 23098, 34647, 46196, 69294, 92392, 138588, 184784, 219431, 277176, 369568, 438862, 554352, 658293, 877724, 1108704, 1316586, 1755448, 2633172, 3510896, 5266344, 7021792, 10532688, 21065376]

約数ペア:

[(1, 21065376), (2, 10532688), (3, 7021792), (4, 5266344), (6, 3510896), (8, 2633172), (12, 1755448), (16, 1316586), (19, 1108704), (24, 877724), (32, 658293), (38, 554352), (48, 438862), (57, 369568), (76, 277176), (96, 219431), (114, 184784), (152, 138588), (228, 92392), (304, 69294), (456, 46196), (608, 34647), (912, 23098), (1824, 11549)]