21893472

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4036

約数の個数: 72

約数和(自身を含む): 65552760

約数和(自身を除く): 43659288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 4001, 5472, 8002, 12003, 16004, 24006, 32008, 36009, 48012, 64016, 72018, 76019, 96024, 128032, 144036, 152038, 192048, 228057, 288072, 304076, 384096, 456114, 576144, 608152, 684171, 912228, 1152288, 1216304, 1368342, 1824456, 2432608, 2736684, 3648912, 5473368, 7297824, 10946736, 21893472]

約数ペア:

[(1, 21893472), (2, 10946736), (3, 7297824), (4, 5473368), (6, 3648912), (8, 2736684), (9, 2432608), (12, 1824456), (16, 1368342), (18, 1216304), (19, 1152288), (24, 912228), (32, 684171), (36, 608152), (38, 576144), (48, 456114), (57, 384096), (72, 304076), (76, 288072), (96, 228057), (114, 192048), (144, 152038), (152, 144036), (171, 128032), (228, 96024), (288, 76019), (304, 72018), (342, 64016), (456, 48012), (608, 36009), (684, 32008), (912, 24006), (1368, 16004), (1824, 12003), (2736, 8002), (4001, 5472)]