21389550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1567}}^1$

素因数の和:1602

約数の個数: 96

約数和(自身を含む): 65329152

約数和(自身を除く): 43939602

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 130, 150, 175, 182, 195, 210, 273, 325, 350, 390, 455, 525, 546, 650, 910, 975, 1050, 1365, 1567, 1950, 2275, 2730, 3134, 4550, 4701, 6825, 7835, 9402, 10969, 13650, 15670, 20371, 21938, 23505, 32907, 39175, 40742, 47010, 54845, 61113, 65814, 78350, 101855, 109690, 117525, 122226, 142597, 164535, 203710, 235050, 274225, 285194, 305565, 329070, 427791, 509275, 548450, 611130, 712985, 822675, 855582, 1018550, 1425970, 1527825, 1645350, 2138955, 3055650, 3564925, 4277910, 7129850, 10694775, 21389550]

約数ペア:

[(1, 21389550), (2, 10694775), (3, 7129850), (5, 4277910), (6, 3564925), (7, 3055650), (10, 2138955), (13, 1645350), (14, 1527825), (15, 1425970), (21, 1018550), (25, 855582), (26, 822675), (30, 712985), (35, 611130), (39, 548450), (42, 509275), (50, 427791), (65, 329070), (70, 305565), (75, 285194), (78, 274225), (91, 235050), (105, 203710), (130, 164535), (150, 142597), (175, 122226), (182, 117525), (195, 109690), (210, 101855), (273, 78350), (325, 65814), (350, 61113), (390, 54845), (455, 47010), (525, 40742), (546, 39175), (650, 32907), (910, 23505), (975, 21938), (1050, 20371), (1365, 15670), (1567, 13650), (1950, 10969), (2275, 9402), (2730, 7835), (3134, 6825), (4550, 4701)]