21233450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 49520640

約数和(自身を除く): 28287190

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 31, 35, 38, 50, 62, 70, 95, 103, 133, 155, 175, 190, 206, 217, 266, 310, 350, 434, 475, 515, 589, 665, 721, 775, 950, 1030, 1085, 1178, 1330, 1442, 1550, 1957, 2170, 2575, 2945, 3193, 3325, 3605, 3914, 4123, 5150, 5425, 5890, 6386, 6650, 7210, 8246, 9785, 10850, 13699, 14725, 15965, 18025, 19570, 20615, 22351, 27398, 29450, 31930, 36050, 41230, 44702, 48925, 60667, 68495, 79825, 97850, 103075, 111755, 121334, 136990, 159650, 206150, 223510, 303335, 342475, 424669, 558775, 606670, 684950, 849338, 1117550, 1516675, 2123345, 3033350, 4246690, 10616725, 21233450]

約数ペア:

[(1, 21233450), (2, 10616725), (5, 4246690), (7, 3033350), (10, 2123345), (14, 1516675), (19, 1117550), (25, 849338), (31, 684950), (35, 606670), (38, 558775), (50, 424669), (62, 342475), (70, 303335), (95, 223510), (103, 206150), (133, 159650), (155, 136990), (175, 121334), (190, 111755), (206, 103075), (217, 97850), (266, 79825), (310, 68495), (350, 60667), (434, 48925), (475, 44702), (515, 41230), (589, 36050), (665, 31930), (721, 29450), (775, 27398), (950, 22351), (1030, 20615), (1085, 19570), (1178, 18025), (1330, 15965), (1442, 14725), (1550, 13699), (1957, 10850), (2170, 9785), (2575, 8246), (2945, 7210), (3193, 6650), (3325, 6386), (3605, 5890), (3914, 5425), (4123, 5150)]