21323954450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:732

約数の個数: 96

約数和(自身を含む): 41209862400

約数和(自身を除く): 19885907950

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 167, 199, 205, 313, 334, 398, 410, 626, 835, 995, 1025, 1565, 1670, 1990, 2050, 3130, 4175, 4975, 6847, 7825, 8159, 8350, 9950, 12833, 13694, 15650, 16318, 25666, 33233, 34235, 40795, 52271, 62287, 64165, 66466, 68470, 81590, 104542, 124574, 128330, 166165, 171175, 203975, 261355, 311435, 320825, 332330, 342350, 407950, 522710, 622870, 641650, 830825, 1306775, 1362553, 1557175, 1661650, 2143111, 2553767, 2613550, 2725106, 3114350, 4286222, 5107534, 6812765, 10401929, 10715555, 12768835, 13625530, 20803858, 21431110, 25537670, 34063825, 52009645, 53577775, 63844175, 68127650, 104019290, 107155550, 127688350, 260048225, 426479089, 520096450, 852958178, 2132395445, 4264790890, 10661977225, 21323954450]

約数ペア:

[(1, 21323954450), (2, 10661977225), (5, 4264790890), (10, 2132395445), (25, 852958178), (41, 520096450), (50, 426479089), (82, 260048225), (167, 127688350), (199, 107155550), (205, 104019290), (313, 68127650), (334, 63844175), (398, 53577775), (410, 52009645), (626, 34063825), (835, 25537670), (995, 21431110), (1025, 20803858), (1565, 13625530), (1670, 12768835), (1990, 10715555), (2050, 10401929), (3130, 6812765), (4175, 5107534), (4975, 4286222), (6847, 3114350), (7825, 2725106), (8159, 2613550), (8350, 2553767), (9950, 2143111), (12833, 1661650), (13694, 1557175), (15650, 1362553), (16318, 1306775), (25666, 830825), (33233, 641650), (34235, 622870), (40795, 522710), (52271, 407950), (62287, 342350), (64165, 332330), (66466, 320825), (68470, 311435), (81590, 261355), (104542, 203975), (124574, 171175), (128330, 166165)]