21271032

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 63936000

約数和(自身を除く): 42664968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 71, 72, 73, 76, 108, 114, 142, 146, 152, 171, 213, 216, 219, 228, 284, 292, 342, 426, 438, 456, 513, 568, 584, 639, 657, 684, 852, 876, 1026, 1278, 1314, 1349, 1368, 1387, 1704, 1752, 1917, 1971, 2052, 2556, 2628, 2698, 2774, 3834, 3942, 4047, 4104, 4161, 5112, 5183, 5256, 5396, 5548, 7668, 7884, 8094, 8322, 10366, 10792, 11096, 12141, 12483, 15336, 15549, 15768, 16188, 16644, 20732, 24282, 24966, 31098, 32376, 33288, 36423, 37449, 41464, 46647, 48564, 49932, 62196, 72846, 74898, 93294, 97128, 98477, 99864, 124392, 139941, 145692, 149796, 186588, 196954, 279882, 291384, 295431, 299592, 373176, 393908, 559764, 590862, 787816, 886293, 1119528, 1181724, 1772586, 2363448, 2658879, 3545172, 5317758, 7090344, 10635516, 21271032]

約数ペア:

[(1, 21271032), (2, 10635516), (3, 7090344), (4, 5317758), (6, 3545172), (8, 2658879), (9, 2363448), (12, 1772586), (18, 1181724), (19, 1119528), (24, 886293), (27, 787816), (36, 590862), (38, 559764), (54, 393908), (57, 373176), (71, 299592), (72, 295431), (73, 291384), (76, 279882), (108, 196954), (114, 186588), (142, 149796), (146, 145692), (152, 139941), (171, 124392), (213, 99864), (216, 98477), (219, 97128), (228, 93294), (284, 74898), (292, 72846), (342, 62196), (426, 49932), (438, 48564), (456, 46647), (513, 41464), (568, 37449), (584, 36423), (639, 33288), (657, 32376), (684, 31098), (852, 24966), (876, 24282), (1026, 20732), (1278, 16644), (1314, 16188), (1349, 15768), (1368, 15549), (1387, 15336), (1704, 12483), (1752, 12141), (1917, 11096), (1971, 10792), (2052, 10366), (2556, 8322), (2628, 8094), (2698, 7884), (2774, 7668), (3834, 5548), (3942, 5396), (4047, 5256), (4104, 5183), (4161, 5112)]