21603900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 67995648

約数和(自身を除く): 46391748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 31, 46, 50, 60, 62, 69, 75, 92, 93, 100, 101, 115, 124, 138, 150, 155, 186, 202, 230, 276, 300, 303, 310, 345, 372, 404, 460, 465, 505, 575, 606, 620, 690, 713, 775, 930, 1010, 1150, 1212, 1380, 1426, 1515, 1550, 1725, 1860, 2020, 2139, 2300, 2323, 2325, 2525, 2852, 3030, 3100, 3131, 3450, 3565, 4278, 4646, 4650, 5050, 6060, 6262, 6900, 6969, 7130, 7575, 8556, 9292, 9300, 9393, 10100, 10695, 11615, 12524, 13938, 14260, 15150, 15655, 17825, 18786, 21390, 23230, 27876, 30300, 31310, 34845, 35650, 37572, 42780, 46460, 46965, 53475, 58075, 62620, 69690, 71300, 72013, 78275, 93930, 106950, 116150, 139380, 144026, 156550, 174225, 187860, 213900, 216039, 232300, 234825, 288052, 313100, 348450, 360065, 432078, 469650, 696900, 720130, 864156, 939300, 1080195, 1440260, 1800325, 2160390, 3600650, 4320780, 5400975, 7201300, 10801950, 21603900]

約数ペア:

[(1, 21603900), (2, 10801950), (3, 7201300), (4, 5400975), (5, 4320780), (6, 3600650), (10, 2160390), (12, 1800325), (15, 1440260), (20, 1080195), (23, 939300), (25, 864156), (30, 720130), (31, 696900), (46, 469650), (50, 432078), (60, 360065), (62, 348450), (69, 313100), (75, 288052), (92, 234825), (93, 232300), (100, 216039), (101, 213900), (115, 187860), (124, 174225), (138, 156550), (150, 144026), (155, 139380), (186, 116150), (202, 106950), (230, 93930), (276, 78275), (300, 72013), (303, 71300), (310, 69690), (345, 62620), (372, 58075), (404, 53475), (460, 46965), (465, 46460), (505, 42780), (575, 37572), (606, 35650), (620, 34845), (690, 31310), (713, 30300), (775, 27876), (930, 23230), (1010, 21390), (1150, 18786), (1212, 17825), (1380, 15655), (1426, 15150), (1515, 14260), (1550, 13938), (1725, 12524), (1860, 11615), (2020, 10695), (2139, 10100), (2300, 9393), (2323, 9300), (2325, 9292), (2525, 8556), (2852, 7575), (3030, 7130), (3100, 6969), (3131, 6900), (3450, 6262), (3565, 6060), (4278, 5050), (4646, 4650)]