21666384

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7919}}^1$

素因数の和:7952

約数の個数: 60

約数和(自身を含む): 63835200

約数和(自身を除く): 42168816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7919, 15838, 23757, 31676, 47514, 63352, 71271, 95028, 126704, 142542, 150461, 190056, 285084, 300922, 380112, 451383, 570168, 601844, 902766, 1140336, 1203688, 1354149, 1805532, 2407376, 2708298, 3611064, 5416596, 7222128, 10833192, 21666384]

約数ペア:

[(1, 21666384), (2, 10833192), (3, 7222128), (4, 5416596), (6, 3611064), (8, 2708298), (9, 2407376), (12, 1805532), (16, 1354149), (18, 1203688), (19, 1140336), (24, 902766), (36, 601844), (38, 570168), (48, 451383), (57, 380112), (72, 300922), (76, 285084), (114, 190056), (144, 150461), (152, 142542), (171, 126704), (228, 95028), (304, 71271), (342, 63352), (456, 47514), (684, 31676), (912, 23757), (1368, 15838), (2736, 7919)]