21897473715

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1\times {\mathrm{4211}}^1$

素因数の和:7201

約数の個数: 64

約数和(自身を含む): 41947476480

約数和(自身を除く): 20050002765

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 2963, 4211, 8889, 12633, 14815, 21055, 26667, 37899, 38519, 44445, 54743, 63165, 80001, 113697, 115557, 133335, 164229, 189495, 192595, 273715, 346671, 400005, 492687, 568485, 577785, 821145, 1040013, 1478061, 1733355, 2463435, 5200065, 7390305, 12477193, 37431579, 62385965, 112294737, 162203509, 187157895, 336884211, 486610527, 561473685, 811017545, 1459831581, 1684421055, 2433052635, 4379494743, 7299157905, 21897473715]

約数ペア:

[(1, 21897473715), (3, 7299157905), (5, 4379494743), (9, 2433052635), (13, 1684421055), (15, 1459831581), (27, 811017545), (39, 561473685), (45, 486610527), (65, 336884211), (117, 187157895), (135, 162203509), (195, 112294737), (351, 62385965), (585, 37431579), (1755, 12477193), (2963, 7390305), (4211, 5200065), (8889, 2463435), (12633, 1733355), (14815, 1478061), (21055, 1040013), (26667, 821145), (37899, 577785), (38519, 568485), (44445, 492687), (54743, 400005), (63165, 346671), (80001, 273715), (113697, 192595), (115557, 189495), (133335, 164229)]