21451608

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{5227}}^1$

素因数の和:5261

約数の個数: 64

約数和(自身を含む): 62736000

約数和(自身を除く): 41284392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 5227, 10454, 15681, 20908, 31362, 41816, 47043, 62724, 94086, 99313, 125448, 141129, 188172, 198626, 282258, 297939, 376344, 397252, 564516, 595878, 794504, 893817, 1129032, 1191756, 1787634, 2383512, 2681451, 3575268, 5362902, 7150536, 10725804, 21451608]

約数ペア:

[(1, 21451608), (2, 10725804), (3, 7150536), (4, 5362902), (6, 3575268), (8, 2681451), (9, 2383512), (12, 1787634), (18, 1191756), (19, 1129032), (24, 893817), (27, 794504), (36, 595878), (38, 564516), (54, 397252), (57, 376344), (72, 297939), (76, 282258), (108, 198626), (114, 188172), (152, 141129), (171, 125448), (216, 99313), (228, 94086), (342, 62724), (456, 47043), (513, 41816), (684, 31362), (1026, 20908), (1368, 15681), (2052, 10454), (4104, 5227)]