21984456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2326

約数の個数: 64

約数和(自身を含む): 61125120

約数和(自身を除く): 39140664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2273, 2418, 3224, 4546, 4836, 6819, 9092, 9672, 13638, 18184, 27276, 29549, 54552, 59098, 70463, 88647, 118196, 140926, 177294, 211389, 236392, 281852, 354588, 422778, 563704, 709176, 845556, 916019, 1691112, 1832038, 2748057, 3664076, 5496114, 7328152, 10992228, 21984456]

約数ペア:

[(1, 21984456), (2, 10992228), (3, 7328152), (4, 5496114), (6, 3664076), (8, 2748057), (12, 1832038), (13, 1691112), (24, 916019), (26, 845556), (31, 709176), (39, 563704), (52, 422778), (62, 354588), (78, 281852), (93, 236392), (104, 211389), (124, 177294), (156, 140926), (186, 118196), (248, 88647), (312, 70463), (372, 59098), (403, 54552), (744, 29549), (806, 27276), (1209, 18184), (1612, 13638), (2273, 9672), (2418, 9092), (3224, 6819), (4546, 4836)]