21321736124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1\times {\mathrm{797}}^1$

素因数の和:1455

約数の個数: 96

約数和(自身を含む): 43480172736

約数和(自身を除く): 22158436612

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 53, 68, 106, 212, 221, 442, 571, 689, 797, 884, 901, 1142, 1378, 1594, 1802, 2284, 2756, 3188, 3604, 7423, 9707, 10361, 11713, 13549, 14846, 19414, 20722, 23426, 27098, 29692, 30263, 38828, 41444, 42241, 46852, 54196, 60526, 84482, 121052, 126191, 168964, 176137, 252382, 352274, 393419, 455087, 504764, 514471, 549133, 704548, 718097, 786838, 910174, 1028942, 1098266, 1436194, 1573676, 1820348, 2057884, 2196532, 2872388, 5916131, 6688123, 7736479, 9335261, 11832262, 13376246, 15472958, 18670522, 23664524, 24119611, 26752492, 30945916, 37341044, 48239222, 96478444, 100574227, 201148454, 313554943, 402296908, 410033387, 627109886, 820066774, 1254219772, 1640133548, 5330434031, 10660868062, 21321736124]

約数ペア:

[(1, 21321736124), (2, 10660868062), (4, 5330434031), (13, 1640133548), (17, 1254219772), (26, 820066774), (34, 627109886), (52, 410033387), (53, 402296908), (68, 313554943), (106, 201148454), (212, 100574227), (221, 96478444), (442, 48239222), (571, 37341044), (689, 30945916), (797, 26752492), (884, 24119611), (901, 23664524), (1142, 18670522), (1378, 15472958), (1594, 13376246), (1802, 11832262), (2284, 9335261), (2756, 7736479), (3188, 6688123), (3604, 5916131), (7423, 2872388), (9707, 2196532), (10361, 2057884), (11713, 1820348), (13549, 1573676), (14846, 1436194), (19414, 1098266), (20722, 1028942), (23426, 910174), (27098, 786838), (29692, 718097), (30263, 704548), (38828, 549133), (41444, 514471), (42241, 504764), (46852, 455087), (54196, 393419), (60526, 352274), (84482, 252382), (121052, 176137), (126191, 168964)]